Because the amounts are so little, it is more appropriate to present this as a percentage, as the ratio of weight lost on a limited scale should be roughly the same proportion as mass loss on a bigger size anyhow.
Why is a percentage change more precise?Because you will usually be dealing with large data and numbers, it is more crucial to utilise the % change approach because, as you can see, it provides a more exact representation of how the data has evolved over time.
For analysing statistical data across time, percentage changes are commonly employed, whereas percentage points are commonly used when analysing rate differences.
When comparing different sets of data, calculating the % change is more accurate. Finding the change in mass is only useful for data sets that began with the same mass.
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Which option explains how some parts of a plant can be white?
Responses
The white parts of a plant reflect all colors of light falling on them except white.
The white parts of a plant absorb all colors of light falling on them except white.
The white parts of a plant reflect all colors of light falling on them.
The white parts of a plant absorb all colors of light falling on them.
Explanation:
Parenchymal cube-shaped
loosely packed
thin-walled
relatively unspecialized
contain chloroplasts
photosynthesis
cellular respiration
storage
food storage tissues of potatoes
potatoes for sale at a grocery store
Collenchymal elongated
irregularly thickened walls
support
wind resistance
strings running through a stalk of celery
photograph of celery
Sclerenchymal very thick cell walls containing lignin support
strength
tough fibers in jute (used to make rope
If the genome of the bacterium e. Coli requires about 20 minutes to replicate itself, how can the genome of the fruit fly drosophila be replicated in only 3 minutes?.
Explanation:
If the genome of the bacterium E. coli requires about 20 minutes to replicate itself how can the genome of the fruit fly drosophila be replicated in only three minutes? Drosophila DNA contains more origins of replication than E. coli DNA.
select a field of study with in environmental science to start Holly professional in that field would contribute to the environmental study of a lake
Help please with c 2a and b
The study of the lake is called limnology which is concerned with both natural and man made lakes their physical characteristics of ecology
What three stages does a lake go through?The Cycle of Lake Life
Lakes undergo change once they are produced. They experience different life stages, such as youth, adolescence, old age, and death, much like people. All lakes, even the biggest, gradually dry up as their basins fill with dirt and vegetation.
they produce food and water for domestic, industrial, and agricultural use, lakes and ponds are environments of considerable importance to humans. Despite the fact that freshwater ecosystems are fundamentally important to people, they have been badly harmed by a variety of anthropogenic disturbances, which have had a detrimental impact on their structure and function.
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is an enzyme secreted by certain bacteria that cleaves the beta-lactam ring of penicillin and cephalosporin and thus provides for resistance against the antibiotic.
β-lactamase is an enzyme secreted by certain bacteria that cleaves the beta-lactam ring of penicillin and cephalosporin and thus provides for resistance against the antibiotic.
Penicillin is an antibiotic that provides resistance against a large number of bacteria. It was the first antibiotic to be discovered by Alexander Fleming. Like all other antibiotics it may kill the bacteria or suppress its growth. There are different types of penicillin that are used to treat different types of bacterial infections.
Cephalosporin is also an antibiotic used against gram positive and negative bacteria. It was originally developed from a fungus called Acremonium.
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A lake near a large city became polluted due to domestic and industrial waste being released into it. The polluted lake water affected the ecosystem in and around the lake. A group of residents took up an initiative to protect the lake from further pollution. They began a competition among the local residents to design a solution for the problem and to create awareness among the people. Which of these solutions would be the best while making sure economic and social concerns are considered? A. building a treatment plant to treat waste before it is released into the lake B. using eco-friendly products and preventing entry of waste water into the lake C. adding substances to the lake water to dissolve chemical compounds D. cleaning and filtering the lake water regularly using proper equipment
The best way to solve the problem of water pollution in the lake while making sure economic and social concerns are considered is building a treatment plant to treat waste before it is released into the lake; option A.
What is pollution?Pollution refers to the presence of harmful unwanted substances in the environment.
There are several forms of pollution:
land pollutionwater pollutionair pollutionWater pollution occurs when harmful, substances are introduced into the water by man.
The sources of water pollution include domestic and industrial waste being released into the water. Water pollution makes water unfit for drinking, and swimming, and uninhabitable for aquatic organisms.
Considering the polluted lake near the large city.
The measures for preventing the pollution of the lake include:
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An object who’s volume is deterred through displacement
What’s the Object called?
An object who’s volume is determined through displacement is called an irregular solid.
What is an irregular object?
An object is said to be irregular if the object can not be measured evenly. There are a lot of irregular objects in our surroundings such as a stone. In this case, we have to obtain the volume of the object by the displacement method.
In this case, the, what we have to do is to use a measuring cylinder to measure a given volume of water. The irregular object is now added and the volume of the water displaced is measured.
The volume of water displaced is the volume of the object.
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True or False. The relationship between the protists that cause human malaria and humans is an example of commensalism.
The answer to the statement " The relationship between the protists that cause human malaria and humans is an example of commensalism " is false
Understanding the relationship between the malarian parasites and humans.The simple reason why commensalism does not exist between malarian parasites and humans is because, commensalism is not a biological association where an organism cause diseases or has any detrimental effect on the other other. Rather, in commensalism, on of the organisms benefit from the other, and the other commensal does not benefits or harm the other.
However, the relationship which exist between malarian parasites and humans is parasitism. This is because the protist, feed on nutrients from the the body of the host, humans and cause disease known as malaria.
So therefore, the Plasmodium species are the protists which causes malaria to humans and this association is known as parasitism.
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Using the table on the right as a guide, answer the following questions about light-independent reactions.
Describe the process of light-independent reactions.
What are the products of light-independent reactions?
A table entitled light-dependent reactions is shown. The requirements are light, energy and water. The site is the thylakoid membrane. The process is light energy splits water and excites electrons in chlorophyll. A T P and N A D P H are produced. The products are A T P, N A D P H, and oxygen.
The products of light-independent reactions include the following:
GlucoseNADP+Water (H₂O).What is photosynthesis?Photosynthesis simply refers to a biological and chemical process through which some living organisms such as green plants (autotrophs) convert the light energy (sunlight) that is received from the Sun into chemical energy, in order to enable them make their food.
The stages of photosynthesis.Generally speaking, there are (2) main reactions that make up the process of photosynthesis and these include following:
Light-dependent reactions.Light-independent reactions.What are light independent reactions?Light independent reactions can be defined as a type of photosynthetic reaction that takes place in the stroma of the chloroplasts of green plants (autotrophs) and it requires the following necessary inputs:
Carbon dioxideAdenosine triphosphate (ATP)NADPHAdditionally, the outputs (end products) of photosynthesis include the following; NADPH, adenosine triphosphate (ATP), and oxygen.
In this context, we can reasonably infer and logically deduce that water (H₂O), glucose, and NADP+ constitute the products of every light independent reactions.
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How can a piece of fruit be compared to planet Earth?
Answer:
the layers of the fruit are like the layers of the earth
Explanation:
About 2.4 billion years ago, the Great Oxidation Event occurred. During this time, the amount of oxygen in the atmosphere was estimated to go from trace concentrations to concentrations slightly higher than today.
Explain what happened to photosynthetic organisms during the Great Oxidation Event.
Provide examples of what may have occurred to the geosphere and hydrosphere during the Great Oxidation Event.
The answers include the following:
The photosynthetic organisms during the Great oxidation event were killed which led to their extinction.There was more accumulation of oxygen and the existence of more multicellular life forms.What is Great Oxidation?This is referred to as the period in which the earth's atmosphere and the shallow ocean experienced a rise in oxygen content and led to various results.
An example is the extinction of photosynthetic organisms such as anaerobic bacteria and there was also a accumulation of the oxygen content which were present in the atmosphere and water bodies.
The oxygen displaced some gases such as methane which therefore made it more abundant and the main gas which is present in the atmosphere thereby making it the correct choice.
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Endocytosis by a single-celled organism is most similar to which function in a muticellular organism? (help pls im taking a test rn)
Endocytosis by a single-celled organism is most similar to phagocytosis function in a multicellular organism.
What are endocytosis and phagocytosis?Endocytosis and phagocytosis can be considered analogous cellular processes because both involve the engulfment of a cell of particles that are found outside the cell in the surrounding media. Phagocytosis occurs in multicellular organisms such as humans whose macrophages of the immune system are able to phagocyte pathogens in immune responses.
Therefore, we can conclude that phagocytosis in multicellular organisms can be analogous to the cellular process of endocytosis, which occurs both in multicellular and unicellular microorganisms.
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PLEASE HELP!! GIVING 15 POINTS!
Carbonic acid (H2CO3) serves as a buffer in human blood. Carbonic acid is a weak acid that dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). Thus, H2CO3 <--> HCO3- + H+. A decrease in blood pH will result in
A) a decrease in the concentration of H2CO3 and an increase in the concentration of HCO3-.
B) a decrease in the concentrations of H2CO3 and HCO3-.
C) an increase in the concentration of H2CO3 and a decrease in the concentration of HCO3-.
D) an increase in the concentration of H2CO3 and HCO3-.
E) an increase in the concentrations of H2CO3, HCO3-, and OH-.
A decrease in blood pH will result in a decrease in the concentration of [tex]H_{2} CO_{3}[/tex]and an increase in the concentration of [tex]HCO_{3} ^{-}[/tex].
What is the pH?The pH of a solution refers to the concentration of the hydrogen ions that is present in the solution. We know that the pH is the negative logarithm of the hydrogen ion concentration of the system.
Now we know that if we try to reduce the pH of the solution, then there would be need to increase the amount of the hydrogen ions in the system and this could be done when the equilibrium position shifts to the left.
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there are two forms of human earwax: wet and dry. w is a dominant allele that produces wet earwax. in a sample of swedes, you measure the following genotypes: ww
The allele frequency of the W is 90%.
What is Allele?According to the definition of an allele given in the top textbooks about genetics and evolution, an allele is a different arrangement of the same nucleotides in the same location on a long DNA molecule.
"A locus is the genomic or chromosomal site of a gene or other genetic element, and alleles are different DNA sequences at a locus.
SNPs, or single nucleotide polymorphisms, are the most basic alleles. however they can also involve base pair-sized insertions and deletions, up to thousands of them.
Typical popular definitions of "allele" only include several alleles found inside genes. For instance, the ABO gene, that has six common allele, regulates the ABO blood grouping. Nearly every live person's phenotype again for ABO gene is some mix of simply these in population genetics.
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Complete question:
There are two forms of human earwax: wet and dry. W is a dominant allele that produces wet earwax. In a sample of Swedes, you measure the following genotypes: WW= 810, Ww =180, and ww = 10 What is the allele frequency of W?
quick question, if mass of an object decreases then does that mean the rate of diffusion was slowing down, staying the same, or going faster?
The mass of particles affect the rate of diffusion; hence a decreased mass particles implies that diffusion rate will be faster.
Understanding how the mass of particles affects diffusion rate.The mass of particles of substances are important factor in the diffusion processes. Substances or particles which a smaller masses will quickly or faster when diffusion is going on. When the particles are of a bigger mass, the particles will result in a lower diffusion rate
That being said, diffusion is the movement of substances from a region of higher concentration to region of lower concentration. An example of a diffusion process is the movement of gas particles perfume from its container to a room where it is sprayed or released.
So therefore, if the mass of an object is reduced, the diffusion rate will be faster.
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___________ is a disorder that results from an extended exposure to high levels of acid in the body.
A) Metabolic alkalosis
B) Metabolic acidosis
C) Respiratory acidosis
Answer:
Explanation:
Metabolic acidosis is a disorder that results from an extended exposure to high levels of acid in the body.
It occurs when the body produces too much acid.
It can also occur when the kidneys are not removing enough acid from the body.
3. Why did you calculate the percent change in mass rather than simply using the change in mass?
When making a cross comparison between different sets of data, computing the percent change is more accurate.
Why is accuracy greater with percentage change?It is more crucial to use the percentage change method because, as you can see, it provides a more accurate description of how the data has changed over time. This is because you will typically be working with larger datasets and quantities. The mass change as a percentage reveals how much of a substance's mass has changed over time. For instance, if a rock loses one-fourth of its mass over the course of a year, its mass has changed by 25%.
What does mass change mean?A change that affects the eligibility requirements for the entire caseload or a sizable and discernible portion of the caseload is referred to as a "mass change" and was started by the state or the federal government.
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what is a possible outcome of reproductive isolation? group of answer choices convergent evolution the emergence of two different species the emergence of one deme gene flow
Due to the fact that reproductive isolation is essential to speciation, it frequently leads to the formation of two distinct species from a single ancestor under various environmental circumstances.
Reproductive isolationOne of a species' distinguishing characteristics is reproductive seclusion. According to one definition of reproductive isolation, barriers between various species prevent them from mating and having healthy offspring. Reproductive isolation can happen as a result of physiological processes, behavioral, and evolutionary reasons. It takes place during speciation. The process of speciation is how populations develop into separate species. When populations are divided by obstacles or distance, this can happen. The Galapagos bird is one illustration of this. In the Galapagos archipelago, the finches live apart from one another on several islands.
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O
Describe the pattern between the wolf (predator) population in relation to the moose (prey) population
They are interdependent. Wolves get food and multiply, moose decline, followed by a decline in wolves.
What connection exists between population growth and carrying capacity?The average population size of a species in a given habitat is referred to as carrying capacity. Environmental elements including sufficient food, shelter, water, and mates are able to control the population number of the species. The population will decline until the resource recovers if these needs are not supplied.
Both in nature and in the laboratory, logistic growth is frequently seen but ecologists have found that, contrary to what logistic growth predicts, many population sizes change with time.
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Claims Evidence Reasoning Make a
claim about how a nation might be affected
if another nation did not follow agreed-upon water
rules. Provide evidence to support your claim, and
explain your reasoning.
Claim- The human activity of other nation of improper uses of water and disposal of waste causes negative effects on the other nation.
Evidence- According to the news video, the wastes made a layer on the water surface and floated to the other nation that affected the aquatic organisms. It causes pollution in the water.
Also one study reported that for misusing of water of one nation, the ground water level continuously falling down in other nation.
Reasoning- Based on the evidence, it can be concluded that the improper disposal of wastes and misuse of water changes the environment of other nation. It affects the aquatic organisms and also the human lifestyle.
What is Claim-Evidence-Reasioning?
Claim
A claim is a declaration that responds to a query. Typically, it will consist of just one sentence. Transition words like "because" should not be used because the claim contains no justification, logic, or supporting data.
Evidence
The information utilised to back up the assertion is the proof. Depending on the question and/or lab, it may be either quantitative or qualitative. Even a student-made data table could serve as the basis for the proof. Only facts that directly refute the assertion should be included in the evidence provided by students.
Reasoning
The justification provides the "why" and "how" the evidence substantiates the assertion. A description of the underlying scientific idea that gave rise to the evidence or data should be included.
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(100 points) Species that form somewhere else that enters and disrupt a native ecosystem are called:
Artificial reefs
Invasive species
Global warning
Climate change
(Brainliest for best answer.)
Answer:
Invasive species
Explanation:
it is an organism that is not native to the area; also known as a species that invades
yw! :)
Answer:
Its B
Explanation:
I took the test
what element of fibrous joints gives the joint its ability to resist stretching and control the amount of movement at the joint? what element of fibrous joints gives the joint its ability to resist stretching and control the amount of movement at the joint? collagen fibers articular cartilage elastic fibers calcium
The element that gives the Fibrous joints the ability to resist stretching and control the amount of movement at the joint is Collagen fiber.
Fibrous joints are immovable or fixed joints, as the movement of joints is not allowed between the bones. They do not have a joint cavity. In these joints, the articulating parts are separated by collagen fibers, also known as white connective tissue, which passes from one part to another.
Collagen fibers contain a hierarchical structure made up of collagen molecules, microfibrils, fibrils, fibers, and fascicles that prevents tendon and other load-bearing tissues from deforming.
Fibrous joints are subdivided into three types namely sutures, gomphoses, and syndesmoses.
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In a human population, the population momentum effect is most likely to occur in cases in which a large percent of people in the population are in which age-group?.
A large percent of people in the population are in Younger than 18 years old.
What are types and population?A population is an identified grouping of objects with the purpose of analysis and data collection. Examples include people and animals. It comprises of a related collection of species that live in a specific area and have the ability to interbreed.
What is the population's origin?The three primary sources of demographic and socioeconomic statistics are recognized to be administrative records, surveys, and censuses. As part of a comprehensive program for the collection and production of statistical data, these three data sources serve as the main method for gathering fundamental demographic and socioeconomic statistics.
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The coronary arteries supply oxygenated blood to heart muscle. Following a heart attack, which of the events would occur in heart tissue due to a block in the coronary arteries? select all that apply.
Following a heart attack, lactic acid would accumulate in the tissues due to glycolysis and fermentation, and the production of ATP would decrease. Thus, alternative A and C.
Coronary arteries are blood vessels found on the heart that supply blood rich in oxygen and nutrients to the muscles of the heart. The heart makes use of oxygen, just like any other muscle in the body to break down glucose for energy.
However, if the coronary arteries become narrowed or blocked, the supply of oxygen and other nutrients to the heart is reduced or interrupted. This could happen due to a build-up of cholesterol or plaque in the coronary artery, making it narrow or blocked and leading to a heart attack.
Due to the lack of oxygen, the cells in the heart start to break down glucose using lactic acid fermentation, a type of anaerobic respiration. Since the body cannot further break down lactic acid, it accumulates in the tissues. ATP production also decreases because lactic acid fermentation does not produce as much ATP as aerobic respiration.
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Complete question:
The coronary arteries supply oxygenated blood to heart muscle. Following a heart attack, which of the events would occur in heart tissue due to a block in the coronary arteries? Select all that apply.
A.Lactic acid would accumulate in the tissue due to glycolysis and fermentation.
B.Pyruvate would accumulate.
C. The production of ATP would decrease.
D. Phosphofructokinase, an intermediary enzyme of glycolysis, would be activated.
how many percent of the energy present at one level is available to the next trophic level
Energy is transported from lower to higher trophic levels through the food chain or web. However generally only about 10% of the energy in one level is available for the next level.
Used in metabolic processes or released into the environment as heat. This loss of energy explains why there are rarely more than four trophic levels in a food chain or web. With the 10% rule, each trophy level can only give 10% of its energy to the next level. The remaining 90% is used for survival growth, and reproduction and is lost to the environment as heat.
All energy pyramids begin with the transmission of energy from the sun to the first nutrient-level producers. The first, lowest level contains green plants, which are producers. Plants or their products are consumed by second-level organisms that are herbivores or herbivores. At the third level, primary carnivores or carnivores eat herbivores. At the fourth level, secondary carnivores eat primary carnivores.
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Please help me with this
Answer:
didn't you already have a answer.
Explanation:
1. Compare
reflection,
and contrast how transmission,
and absorption affect a wave.
Absorption involves the transfer of energy to a substance, while reflection and transmission include direction and speed alterations. They alter waves' amplitude, frequency, speed, direction, or energy in diverse ways.
How do a wave's transmission, reflection, and absorption differ?Many things can happen when waves interact with an item. The term "transmit" refers to the ability of the wave to go through an object. Either the wave is absorbed, in which case thermal energy is produced, or it is reflected.
What distinguishes reflection from transmittance?Definition. The amount of light reflected from a surface or optical component is indicated by its reflectance. When light is projected onto a surface, it is equivalent to the ratio of incident power to reflected power.
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what is the luminosity of the constellation crux?
The luminosity of the constellation crux has been defined as the crux which has been a constellation found in the southern sky that has been centered on the four bright stars just the cross- shaped asterism which is known as the Southern Cross.
What is luminosity of the constellation crux?The luminosity of the constellation crux has been defined as the crux which has been a constellation found in the southern sky that has been centered on the four bright stars just the cross- shaped asterism which is known as the Southern Cross.The solar system contain total 8 planet in which 146 moon, asteroid and space rocks, a number of dwarf planet such as Pluto and Italian astronomer Galileo galilei discovers solar system.
The solar system has been defined as a system which is gravitationaly bound of the sun and orbit is occupied by object. The formation of solar system takes place 4.6 billion years ago and this happens due to gravitational collapse of a giant molecular cloud. The most and wast majority of the systems mass in the sun and other part of mass contained by the planet Jupiter.
Therefore, The luminosity of the constellation crux has been defined as the crux which has been a constellation found in the southern sky that has been centered on the four bright stars just the cross- shaped asterism which is known as the Southern Cross.
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Please help!!!!
c.) explain why that happens?
d.) How old is a rock sample that contains uranium-235 and lead-207 in equal amounts?
Uranium is used to determine a rock's age.
The uranium in rocks decays at a steady rate, producing subatomic particles and turning into lead. Scientists estimated the age of the globe at 4.6 billion years by examining the uranium-to-lead ratios in the oldest rocks on the planet. U-235 dating reveals that a rock is 2.84 billion years old.
Why, given that rocks are so old, can the age of rocks be determined using uranium-238?
The age of the rock increases with lead content. Since uranium-238 has a lengthy half-life, only the oldest rocks can be dated. Because so little of the uranium will decay, this method is unreliable for determining the age of rocks that are younger than 10 million years.
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Answer 3 questions for 100 points and brainiest.
1. When ocean life dies any carbon stored in them is immedialiety released back into the atmosphere.
A: TRUE
B: False
2: what molecule does surface of the water continues exchange with the atmosphere
A: CO2
B: O
C" NACI SALAT
3: How long would a marine snow have to fall to equal the amount of carbon stored in a whale fall
A: two weeks
B: seven years
C: ten thousand years
D: two thousand years
Thank You!
Answer: 1. True
2. CO2
3. Seven years
Explanation:
Which term best describes a severe weather event characterized by heavy snowfall, strong winds, and reduced visibility?
A.
cold front
B.
lake-effect snow
C.
blizzard
D.
thunderstorm