how much of the world's ocean area has been heavily affected by human activity? a. 51% b. 21% c. 11% d. 31% e. 41%

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Answer 1

Approximately 41% of the world's ocean area has been heavily affected by human activity.

According to a study published in 2008 by the National Center for Ecological Analysis and Synthesis, around 41% of the global ocean has been heavily impacted by human activities such as fishing, pollution, and habitat destruction. This number varies depending on the type of impact and location. Some areas, such as coastal regions and heavily trafficked shipping routes, may experience more significant impacts than remote open ocean areas. Additionally, different types of human activity, such as overfishing, pollution, and climate change, can have varying levels of impact on ocean ecosystems.

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Related Questions

the song "america the beautiful" was inspired by a trip to which american landmark?

Answers

Answer: Pike's Peak

Explanation:

When she got to the top of Pike's Peak, the view was so beautiful that it inspired her to write, "All the wonder of America seemed displayed there, with the sea-like expanse."

Which of the listed galaxies is farthest away from Earth?
a. M 104
b. M105
c. M60
d. M 77

Answers

The galaxy that is farthest away from Earth out of the listed options is a) M 104, also known as the Sombrero Galaxy. It is located approximately 28 million light-years away from Earth, which means that the light we see from it today actually took 28 million years to reach us.

M105 and M60 are both located in the Virgo Cluster of galaxies and are approximately 33 million and 55 million light-years away from Earth, respectively. M 77, also known as the Cetus A, is located in the constellation Cetus and is approximately 47 million light-years away from Earth.

Therefore, M 104 is the galaxy farthest away from Earth out of the listed options, and it is an interesting object to study because of its unique appearance and structure.

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olives, grapes, and citrus fruits are strongly associated with regions of:

Answers

Answer:

india

Explanation:

because of it's infertile land

Which of the following are part of the GPS "system"? (Mark all that apply)
Satellites, The Internet, GPS Receiver, Radio telescopes
2.
How does a barometer work? (Mark all that apply)
a. It measures the rainfall in inches
b. It measures the force exerted by the atmosphere on a substance
c. Trends in the barometer (up or down) can forecast changes in the weather
d. It reports atmospheric pressure in millibars or inches

Answers

Satellites play a crucial role in the Global Positioning System (GPS) by transmitting signals that GPS receivers on the ground use to determine their precise location.

GPS receivers receive signals from multiple satellites and use the time it takes for the signals to reach them to calculate their position. The options that apply to how a barometer works are:

b. It measures the force exerted by the atmosphere on a substance. A barometer measures atmospheric pressure, which is the force exerted by the weight of the air molecules above a given point. It uses this measurement to provide an indication of atmospheric conditions.

c. Trends in the barometer (up or down) can forecast changes in the weather. Changes in atmospheric pressure, as indicated by the barometer, can be indicative of impending weather changes. A rising barometer generally suggests improving weather conditions, while a falling barometer often indicates deteriorating weather conditions.

d. It reports atmospheric pressure in millibars or inches. Barometers commonly report atmospheric pressure in units of millibars or inches of mercury. These units provide a numerical value representing the force exerted by the atmosphere.

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which gas accounts for the majority (more than half) of the anthropogenic greenhouse effect?

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Carbon dioxide is the gas that accounts for more than half of the anthropogenic greenhouse effect.

Carbon dioxide (CO2) is the primary gas responsible for the majority of the anthropogenic greenhouse effect. It is released into the atmosphere by burning fossil fuels, deforestation, and other human activities.

CO2 is a potent greenhouse gas because it absorbs infrared radiation, trapping heat within the Earth's atmosphere and causing global temperatures to rise.

Other greenhouse gases, such as methane and nitrous oxide, also contribute to the anthropogenic greenhouse effect, but their impact is smaller than that of CO2.

Reducing greenhouse gas emissions, particularly CO2 emissions, is essential for mitigating the effects of climate change and preventing further warming of the planet.

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Which of the following is an impossible strike and dip reading?A. N16°W, 61°SWB. N85°E, 37°SEC. N39°W, 39°NED. N71°W, 24°SEE. N10°E, 2°SE

Answers

N39°W, 39°NE. is an impossible strike and dip reading (option C).  

Strike and dip are measurements used to describe the orientation of geological features such as rock beds, faults, and folds. Strike represents the horizontal line along the surface where the feature intersects the Earth's surface, while dip represents the angle at which the feature slopes downward from the horizontal line. In the given options, A, B, D, and E all have consistent strike and dip directions. The dip directions for these options are opposite to their respective strikes.

For example, in option A (N16°W, 61°SW), the strike is N16°W, and the dip is in the opposite direction, which is SW. This is a valid strike and dip reading. However, option C (N39°W, 39°NE) has an inconsistent strike and dip direction. The strike is N39°W, but the dip direction is NE, which is not opposite to the strike. In a valid strike and dip reading, the dip direction should always be perpendicular to the strike direction. Since the dip direction in option C is not perpendicular to the strike direction, this is an impossible strike and dip reading.

The question is:

Which of the following is an impossible strike and dip reading?

A. N16°W, 61°SW

B. N85°E, 37°SE

C. N39°W, 39°NE

D. N71°W, 24°SE

E. N10°E, 2°SE

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which igneous texture has visible crystals that are only a few millimeters across?

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The igneous texture that has visible crystals that are only a few millimeters across is known as a phaneritic texture.

Phaneritic texture refers to a type of igneous texture that is characterized by visible crystals that are typically larger than 1 millimeter in size. These crystals can range in size from a few millimeters to several centimeters in diameter, and are easily visible to the na-ked eye. Phaneritic textures are commonly associated with intrusive igneous rocks, such as granite or diorite, that solidify slowly beneath the Earth's surface. This slow cooling process allows the crystals to grow to a larger size, resulting in the visible phaneritic texture. In contrast, volcanic rocks that solidify rapidly on the Earth's surface often have aphanitic textures, which are characterized by crystals that are too small to be visible without magnification.

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What are tectonic settings where large magma chambers can form?

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Large magma chambers are formed in tectonic settings where there is a subduction zone, mid-ocean ridge, or hotspot.

Subduction zones occur when two plates collide, and one plate slides beneath the other. This creates a subduction zone, where one plate is pulled deeper into the Earth’s mantle, creating a large area of melting that can form magma chambers.

Mid-ocean ridges are areas of sea floor spreading, created by the upwelling of magma at spreading centers. This creates magma chambers that are fed by the upwelling magma. Hotspots are areas of upwelling magma that are not associated with a spreading center or subduction zone. Over time, the upwelling magma can form large magma chambers.

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Based on your knowledge of world history and the map, which of the following best characterizes British involvement in the Indian Ocean between 1750–1900 C.E.?A. The British constructed an undersea cable connecting India to Arabia to facilitate communications among the Islamic world.B. The British invested in strategic infrastructure and occupied territories in order to protect their interests in the region.C. The British dominated the entire Indian Ocean region by virtue of their powerful navy.D. The British largely exam_ins existing powers in control of their domains, content to monopolize trade in the region.

Answers

Based on my knowledge of world history, the most accurate characterization of British involvement in the Indian Ocean between 1750-1900 C.E. would be: B. The British invested in strategic infrastructure and occupied territories in order to protect their interests in the region.

During this time period, the British East India Company established a strong presence in the Indian Ocean region. They built infrastructure such as ports, forts, and trading posts, and gradually expanded their control over territories in India, Southeast Asia, and the Arabian Peninsula.

The British aimed to protect their economic interests, including trade routes and valuable resources. They established a system of colonial rule in many areas, which allowed them to exert significant influence and maintain control over the region.

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the rates of plate movement are comparable to those of human fingernail growth.a. trueb. false

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False. The rates of plate movement are not comparable to those of human fingernail growth.

Plate tectonics is the scientific theory that explains the movement of Earth's lithospheric plates, which are large sections of the Earth's crust and upper mantle. These plates move at a relatively slow pace, typically measured in centimeters per year.

The exact rates vary depending on the specific plate boundary, but they range from a few millimeters to several centimeters per year. In contrast, the growth rate of human fingernails is generally around 0.1 millimeters per day, which is significantly faster than the movement of tectonic plates.

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Which of the sources of heat listed below were most important to the differentiation of the earth into compositional zones? (3 answers are correct) a) solar heating. b) kinetic energy of impacting planetesimals. c) radioactive decay of natural radioactive elements. d) compressional heating as earth gained mass. e) background thermal heating from residual "Big Bang" energy.

Answers

Solar heating primarily affects the surface temperature and climate of the Earth but has minimal impact on the deep interior processes. Background thermal heating from residual "Big Bang" energy is negligible compared to the other heat sources.

The three most important heat sources for distinguishing the Earth into compositional zones are:

a) the kinetic energy of the colliding planetesimals:

During the early stages of Earth formation, numerous planetesimals, or small celestial bodies, collided with the proto-Earth. The kinetic energy of these collisions generated enormous heat and contributed to the differentiation process.

b) Radioactive decay of natural radioactive elements:

Radioisotopes found in the Earth's interior, such as uranium, thorium, and potassium, undergo radioactive decay, releasing heat as a byproduct. This heat from radioactive decay played a key role in warming the Earth's interior early in Earth's history and aided the process of differentiation.

c) Compressive heating with increasing mass of the Earth:

As the proto-Earth accumulated mass through the accumulation of planetesimals and gravitational attraction, compressive heating occurred due to the increased pressure. This process made the Earth's interior hotter and easier to distinguish into different compositional zones. 

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Which of the following statements is FALSE? Felsic (or silicic) magma

A. crystallizes at the lowest temperatures.
B. has about 70% silica and little magnesium and iron.
C. is less viscous than mafic magma.
D. is likely to form light tan, pink, or maroon rocks.

Answers

The false statement among the options is A. Felsic magma does not crystallize at the lowest temperatures. In fact, it crystallizes at relatively higher temperatures compared to mafic magma. Felsic magma is rich in silica and has low levels of magnesium and iron, making option B true.

The abundance of silica also makes felsic magma less fluid or more viscous than mafic magma, making option C false. Felsic magma is also known to form light-colored rocks, including light tan, pink, or maroon, making option D true. Overall, felsic magma is characterized by high silica content, low temperature crystallization, low levels of magnesium and iron, high viscosity, and light-colored rocks.

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of the following waves, which one has the deepest wave base? select only one answer.

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The wave with the deepest wave base is a wave with a 2-meter wave height and a wavelength of 1000 meters (option b).

The depth of the wave base is determined by the wavelength of the wave. A longer wavelength indicates that the wave energy penetrates deeper into the water column. In this case, the wave with a wavelength of 1000 meters has the longest wavelength compared to the other options, indicating that its wave base extends deeper into the water. Therefore, it has the deepest wave base among the given options. The correct option is b.

The complete question is:

Of the following waves, which one has the deepest wave base? Select only one answer.

a) A wave with a 1-meter wave height and a wavelength of 10 meters

b) A wave with a 2-meter wave height and a wavelength of 1000 meters

c) A wave with a 3-meter wave height and a wavelength of 100 meters

d) A wave with a 5-meter wave height and a wavelength of 100 meters

e) A wave with a 7-meter wave height and a wavelength of 100 meters

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which of the following changes is the result of glacier retreat following the last ice age?

Answers

Sea level rise and land subsidence are the result of glacier retreat following the last ice age. The correct option is e (All of the above).

The retreat of glaciers following the last ice age led to significant changes in the Earth's geography and climate. As glaciers melted and retreated, sea levels rose, inundating low-lying coastal areas and reshaping coastlines.

This process also resulted in land subsidence, as the weight of the ice was lifted and the underlying land rebounded.

In addition, the retreat of glaciers led to changes in precipitation patterns, as well as shifts in ocean currents and temperature gradients, which in turn affected weather patterns and ecosystems across the globe.

The impacts of glacier retreat continue to be felt today, with ongoing sea level rise and climate change posing significant challenges for coastal communities and ecosystems.

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which of the following changes is the result of glacier retreat following the last ice age?

-Glaciers are capable of moving large amounts of sediment.

-Glaciers are capable of oversteepening slopes.

-Glaciers can disrupt the hydrologic cycle

-Glacial activity can change the position of sea level relative to present conditions

(All of the above)

piloted and unpiloted submersible vehicles of the 21st century include all except for __________.

Answers

Piloted and unpiloted submersible vehicles of the 21st century include all except for Satellite Launch Vehicle

Submersible vehicles of the 21st century have come a long way since the first submersible vehicle was invented in 1620. We now have a wide variety of piloted and unpiloted submersible vehicles, including unmanned underwater vehicles (UUVs), remotely operated vehicles (ROVs), remotely operated underwater robots (ROUs), and autonomous underwater vehicles (AUVs).

However, there is one type of submersible vehicle that is not part of this group: airships. Airships are buoyant aircrafts that are filled with a gas lighter than air, and they are able to float in the air. They are not able to travel underwater, and therefore they don’t fit into the category of piloted and unpiloted submersible vehicles of the 21st century.

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Strategies that could be implemented to reduce growth of informal settlements.​

Answers

Answer: Formalization and Regularization of Land Tenure as a Contemporary Strategy for Reducing Informal Settlements. Formalization of land is a strategy that is focused on formal recognition of “extralegal” properties

background information about the effect of floods in Ladysmith​

Answers

Answer: The town was flooded on 3 different occasions between January and April of 2022. The town of Ladysmith was proclaimed on the 20th of June 1850 on the floodplain of the Klip River, and since then, flooding has always been part of the town's history.

what did the huygens and cassini probes find on the surface of titan?

Answers

The Huygens and Cassini probes discovered a fascinating array of features on the surface of Titan, Saturn's largest moon.

What significant observations did the Huygens and Cassini probes?

The Huygens and Cassini probes provided invaluable insights into the enigmatic surface of Titan, uncovering a complex landscape marked by vast methane lakes, river channels, and intriguing geological formations. These missions revealed that Titan, with its dense atmosphere and diverse terrain, resembles Earth in several ways, making it a prime target for further exploration and understanding of planetary processes.

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if you have 5 different stylesheets, how would you best integrate them into the site?

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To integrate five different stylesheets into a website, there are several approaches you can consider:

Merge the stylesheets: Combine the contents of all five stylesheets into a single, consolidated stylesheet. This reduces the number of HTTP requests and improves page load times.Link multiple stylesheets: Include each stylesheet separately in the HTML code using the <link> tag. This allows you to organize and maintain the stylesheets separately, making it easier to manage and update them individually.Use conditional statements: If the stylesheets are required for specific pages or sections of the website, use conditional statements in the HTML code to load the appropriate stylesheet based on the specific conditions or requirements.Utilize CSS preprocessors: If your project allows, consider using CSS preprocessors like Sass or Less, which offer features to modularize and import stylesheets more efficiently.Prioritize and optimize: Analyze the stylesheets and determine if there are any duplicate styles or unused code. Remove any unnecessary styles to optimize performance.

The best approach depends on the specific requirements, complexity of the stylesheets, and your preference for maintainability and performance.

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Fill in the blank. Most rocks contain more than one mineral, and each mineral has its own melting point. If only the lower temperature minerals melt, this is referred to as _____ melting.

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Most rocks contain more than one mineral, and each mineral has its own melting point. If only the lower temperature minerals melt, this is referred to as fractional melting.

Fractional melting is a process in which rocks undergo partial melting, but only a fraction of the minerals within the rock melt. Different minerals have varying melting points based on their chemical composition and properties. During fractional melting, the minerals with lower melting points are the first to melt, while the minerals with higher melting points remain solid.

This selective melting leads to the separation of molten material with a different composition from the original rock. Fractional melting plays a crucial role in the formation of magmas with distinct compositions, as the melted portion can have a different mineral assemblage and chemical composition compared to the unmelted portion.

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Which climates would have the greatest degree of ice wedging?

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Ice wedging is most prevalent in regions with cold climates that experience frequent freeze-thaw cycles. These regions are particularly susceptible to the process of ice wedging due to the significant expansion and contraction of water as it freezes and thaws, which can cause rocks to split and break apart over time.

Ice wedging is a form of physical weathering caused by the expansion and contraction of water as it freezes and thaws in rock crevices and cracks. This process is most effective in climates that experience freeze-thaw cycles, where the temperature fluctuates above and below freezing.
Regions with cold, polar or subpolar climates, such as the Arctic and Antarctica, have the greatest degree of ice wedging due to their extreme temperature changes. The constant freeze-thaw cycles in these regions cause significant expansion and contraction of water, which can lead to the splitting and breaking of rocks over time. However, ice wedging can also occur in temperate climates, such as the northern United States, Canada, and Russia, where freeze-thaw cycles are common during the winter months.

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With modest precipitation, it is cold in the winter and mild in the summer. Water moved through the rock's cracks, where it froze and jammed the rock apart.

The fastest rate of weathering will occur in a warm, humid climate. More types of flora will grow in warmer climates, and biological weathering will occur more quickly. This occurs as a result of how quickly bacteria and plants grow and reproduce in warmer climates. The most typical instance of ice wedging is when rocks appear to fracture spontaneously without any external force being exerted.

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identify the object that has the greatest gravitational pull. objects a. a tennis ball b. the moon c. the sun d. earth

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The object with the greatest gravitational pull among the options provided is d. Earth. Gravity is a force exerted by any object with mass, and its strength is directly related to the mass of the object.

While the moon and the sun are significantly larger than a tennis ball, Earth has a much greater mass compared to both. Therefore, Earth's gravitational pull is the strongest among the options listed. It is the gravitational force of Earth that keeps objects on its surface, causes tides, and governs the motion of celestial bodies within its gravitational field.

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what has caused the hypoxic "dead zone" to form off the coast of the gulf states?

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The hypoxic "dead zone" off the coast of the gulf states has formed due to a combination of natural and human-caused factors.

The primary cause is excessive nutrient pollution, particularly from agricultural runoff containing fertilizers and animal waste, which fuels the growth of harmful algae blooms. These blooms deplete oxygen in the water, leading to the formation of hypoxic zones. Additionally, weather patterns such as heavy rainfall and flooding can increase nutrient runoff and exacerbate the problem. Climate change may also be contributing to the growth of dead zones, as warmer water temperatures can decrease oxygen levels. The resulting hypoxic conditions can harm or kill marine life, including fish, shrimp, and crabs, and negatively impact the fishing and tourism industries. Scientists and policymakers are working to reduce nutrient pollution and restore healthy marine ecosystems in the Gulf of Mexico.

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he probability that a randomly selected fatal crash under other light conditions occurs in other weather conditions is approximately.
A. Dark, but lighted is more dangerous in normal weather because the conditional probability of a fatal crash in normal weather is greater than that of a fatal crash in rain.
B. Dark, but lighted is more dangerous in normal weather because the conditional probability of a fatal crash in normal weather is less than that of a fatal crash in rain
C. Dark, but lighted is more dangerous in rain because the conditional probability of a fatal crash in rain is less than that of a fatal crash in normal weather.
D. Dark, but lighted is more dangerous in rain because the conditional probability of a fatal crash in rain is greater than that of a fatal crash in normal weather.

Answers

D. Dark, but lighted is more dangerous in rain because the conditional probability of a fatal crash in rain is greater than that of a fatal crash in normal weather.

The correct answer is D. In dark but lighted conditions, the probability of a fatal crash occurring in rain is higher than in normal weather. This is because the conditional probability of a fatal crash in rain is greater than that in normal weather.

Conditional probability refers to the likelihood of an event happening given that another event has already occurred. In this case, it means that if a crash occurs in dark but lighted conditions, the likelihood of it being fatal is higher in rain than in normal weather.

This increased risk may be due to factors such as reduced visibility and wet road surfaces, making driving conditions more dangerous.

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how are wolves actually slowing the return of the pripyat marshes in the south part of the exclusion zone?

Answers

Pripyat marshes are gone and ‍swamps are back as a result of the nuclear reactor and the beaver.

In 1986 an atomic implosion at the scandalous Chernobyl power plant in present-day Ukraine left miles of land in radioactive remains. A no-man's land of our own making was left to its own devices after residents in the most contaminated areas of the disaster were ordered to leave and relocate. Reversing the effects of hundreds of years of human development, forests, marshes, fields, and rivers reclaimed the land over the next 25 years. Furthermore, shockingly, this prohibition zone, or "no man's land," has turned into a sort of post-atomic Eden, populated by beaver and buffalo, ponies and birds, fish and hawks - and controlled by wolves.

Scientists are attempting to learn how the various species are coping with the invisible blight of radiation by monitoring the surviving wildlife in the area, at least on a limited basis, now that access to the zone is permitted. Because they are the top predators in this new wilderness, wolves are the best indicator of the ecosystem as a whole because if the wolves are doing well, so must the populations of their prey. Consequently, a significant long-term study of the wolves has begun to ascertain their health, range, and numbers.

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the increase in the concentration of co2 in earth's atmosphere over the past 100 years quizlet

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Over the past 100 years, there has been a significant increase in the concentration of CO2 in the Earth's atmosphere.

This increase is primarily due to human activities, such as burning fossil fuels and deforestation, which release large amounts of carbon dioxide into the atmosphere. This increase in CO2 levels has contributed to global warming and climate change, which have had numerous impacts on the planet, including rising sea levels, more frequent and severe weather events, and changes in ecosystems and wildlife populations. It is important for individuals and governments to take action to reduce their carbon footprint and mitigate the effects of climate change. This can include reducing energy consumption, investing in renewable energy sources, and supporting policies that promote sustainability and conservation efforts.

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the surface area of earth is composed of ____ percent ocean and _____ percent landmass. - 29;71 - 40;60 - 60;40 - 71;29 - 50;50

Answers

The surface area of Earth is composed of approximately 71 percent ocean and 29 percent landmass.

This means that the vast majority of our planet is covered by water, while a smaller portion is made up of continents and islands. This distribution of land and water plays a crucial role in regulating Earth's climate, as oceans help to redistribute heat around the planet, and landmasses impact weather patterns.

Additionally, the different proportions of land and ocean support diverse ecosystems and habitats, with marine environments accounting for a significant portion of Earth's biodiversity. Understanding the relationship between land and ocean is essential for studying Earth's natural processes, as well as addressing environmental concerns and managing resources effectively. Therefore, the correct answer is 71 percent ocean and 29 percent landmass.

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in thrust faulting, .group of answer choiceshorizontal, tensional stresses drive the deformationgrabens develop on the footwall blockthe hanging wall block slips downward along the thrust faultthe crust is shortened and thickened

Answers

The orrect option is A, In thrust faulting, is as follows Horizontal, compression stresses drive the deformation.

Deformation refers to the change in shape, size, or orientation of an object under the influence of external forces. When an object is subjected to stress, it can undergo deformation, which can be either elastic or plastic in nature. Elastic deformation is temporary and reversible, meaning that the object returns to its original shape once the stress is removed.

On the other hand, plastic deformation is permanent, and the object retains its new shape even after the stress is eliminated. Deformation can occur in various materials, such as metals, plastics, and even geological formations like rocks. Understanding and analyzing deformation is crucial in fields like engineering, material science, and geology, as it helps determine the behavior and structural integrity of materials and structures under different conditions.

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why would a decrease in the density of the ozone layer create a public health concern?

Answers

A decrease in the density of the ozone layer can create a public health concern because the ozone layer acts as a shield that protects the earth from harmful ultraviolet radiation.

If the ozone layer is depleted, it would allow more ultraviolet radiation to reach the earth's surface, increasing the risk of skin cancer, cataracts, and weakened immune systems. Moreover, higher levels of ultraviolet radiation can harm crops and other plant life, which can have a cascading effect on the food chain. Hence, a decrease in the density of the ozone layer can have a significant impact on human health, agriculture, and the environment.

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What is a convention of common climactic dramatic structure?

Answers

A convention of common climactic dramatic structure is the use of rising action, which consists of a series of events that gradually increase tension and suspense.

This rising action builds up to a climax, which is the dramatic peak of the story and the turning point for the protagonist. After the climax, the story begins to unravel, and the resolution is the conclusion of the plot. The climax is usually marked by a moment of intense emotion, and it often resolves the main conflict or reveals a key plot point.

This structure is used in many types of stories, from novels to plays to movies, and is a great way to keep an audience engaged and interested in the story.

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the hsd test is conceptually similar to a series of t tests but has one important difference. what is it that makes the hsd distinct from a series of t tests? which subgroup of proteobacteria contains many species that are predators of other bacteria? .Which of the following does not fall under the heading of pervasive developmental disorder?A) Pervasive Developmental Disorder-Not Otherwise SpecifiedB) Autistic DisorderC) ADHDD) All of the above fall under the heading of pervasive developmental disorder in the monty hall dilemma, the odds of winning if you stay with your initial choice is Who founded the first insurance company in 1751 in the United States? who is the person best qualified to make final decisions regarding the selection of new employees? miles davis gained experience in a new way of improvising from his work on what project in france? .In a study of energy flow, the following data were collected:Each human requires 55 grams of protein per day. An acre of soybeans produces 200,000 grams of protein per year. A cow grazing on one acre of land produces 19,000 grams of protein per year.Based on these data, an acre of land would support:10 humans per year on a diet of soy, or 0.9 human per year on a diet of beef.Which of the following statements best explains these relationships in terms of energy transfer?A) Humans are better adapted to make efficient use of soy protein than beef protein, so they can extract more energy from a gram of soy protein than from a gram of beef proteinB) A cow can harvest energy only at a certain rate, so adding another cow to the acre of land would double the number of humans supported by the acre.C) Preparing meat for human consumption takes more energy per gram of protein than preparing soy for consumption.D) Only 10% of the energy on each level of the trophic pyramid is available for use by the next level. The rest is lost as heat or used for growth and repair. The radiation R (t) in a substance decreases at a rate proportional to the amount present, or dR/dt = kR where k is a constant and t is measured in years. The initial amount of radiationis 7200 rads. After three years the radiation has declined to 450 rads.(a) Express R as a function of t.(b) Find when the radiation will drop below 30 rads.(c) Find the half-life of this substance given a hash function h(key) = key modulo 11, what index does the key 47 hash to? Marcus Garvey created a movement encouraging black Americans to migrate to Africa. To do this he created which of the following:A shipping company called the Black Star Line during the 1844 campaign, henry clay changed his position on the annexation of texas to one of: How much heat do I need to melt 5000 g of silver in order to make a sword? Considerroom temperature to be 20C, melting point of silver is 961.78 C, and the specific heat ofaluminum is 0.237 J/gC. a repo is in essence a collateralized multiple choice a.banker's acceptance.b.certificate of deposit. c.fed funds loan. d.commercial paper loan.e.eurodollar deposit. I make green smoothies that cost me $3 to produce. I sell them for $8. My markup and margin in dollars are equal.Group of answer choicesTrueFalse glucose from the carbohydrates is absorbed in the intestine and the level of glucose in blood rises. blood glucose levels rise and stimulates beta cells in the pancreas to release insulin; while simultaneously inhibiting alpha cells release of glucagon. insulin has a major effect of facilitating the movement of glucose into many cells, such as the liver; as a result, blood glucose levels fall. when blood glucose levels drop, the stimulus for insulin release disappears and insulin is no longer secreted. match the following questions (left column) to respective responses (right column). what type of feedback is occurring? what is the stimulus? what are the receptors? in the wake of the great fear in the summer of 1789, the national assembly restored order by which nursing diagnosis takes the highest priority for a client with parkinsonian crisis? what length of hair was charles nessler's heat permanent waving machine suitable for? solve number 6 part A and b. thank u