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If the arteries become less stretchy, the heart will have to work harder to eject blood.

Answer:

golbal means around the world but local means next to you

Answer:

A global effect generally affects, as the term implies, the world as a whole, or at least a major part of the world, while a local effect would be just in a distinctive area.

For example, if the world is heating up due to CO2 emissions, it heats up in an global effect, resulting in the median temperature rising in all areas of the world. However, the world heating up may only mean a drought in distinctive areas that are typically already leaning towards the drier side (local effect), while the others receive a greater than usual volume of water due to rising temperatures.

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Answer:

The answer is:

D.It provides a safe place for offspring to grow.

Explanation:

The survival of offspring is crucial, especially in the bird world.If you lose offspring, there will be no future for your kind because you lost the new ones.

Answer:

An example of osmosis is slowly learning how to sew after sitting next to an experience seamstress. ... An example of osmosis is when red blood cells, which have a high concentration of protein and salt, are placed in a lower concentration fluid like water, the water will rush into the red blood cells.

Explanation:

Answer:

Protein channels in the plasma membrane allow the ions to cross.

Protein channels which are present in the plasma membrane of the cell allow the ions to cross the plasma membrane. Thus, the correct option is C.

Channel protein is a kind of protein which is found embedded in the plasma membrane of the cell. Channel proteins function similar to a pore and it allows the diffusion of small ions and water molecules through them. Channel proteins are lipoproteins and these are synthesized in the rough endoplasmic reticulum of the cell near the nucleus.

Ion channels are the transmembrane proteins whose canonical function is the transport of ions and molecules across the plasma membrane to regulate cell membrane potential and also play an essential role in neural communication, nerve conduction, and muscle contraction in the body.

Therefore, the correct option is C.

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Answer:

A

Explanation:

multiply 5.50 and you know X $50

Answer:

Its C

Explanation:

Twins mostly share the same genes and genes can't mutate after birth

Answer:

1.true

2.true

3.False.

Explanation:

for the third guess it should be cell division

Answer: The answer is the green part of the plant faces away because it cannot perform photosynthesis without light.

Explanation: The reason for this is because sunlight is always important to receive while performing photosynthesis because without sunlight, the plant would lose one of its major factors for photosynthesis.

Answer:

D

Explanation:

Answer:

A. Living cells, protein fibers, and calcium salts

Explanation:

see image

Answer:

A. Living cells, protein fibers, and calcium salts

Explanation:

Bone is composed of living cells, protein fibers, and calcium salts

Answer:

Invasive species

Explanation:

Answer:

It's the quantity of a living organism inside that ecosystem. Like saying the snake population is 4 million in the Desert and such

Answer:

Write a lab report that summarizes his experiment

Answer:

Mutation rates increase substantially in cells defective in DNA mismatch repair or in homologous recombinational repair (HRR). Chromosomal rearrangements and aneuploidy also increase in HRR defective cells. Higher levels of DNA damage not only cause increased mutation, but also cause increased epimutation.

Answer:

The correct answer would be A)This organelle is composed of protein and RNA and is used to make proteins for the cell. A ribosome is a vesicular structure present in both prokaryotic and eukaryotic cells. ... They are the site of translation in both prokaryotic and eukaryotic cells.

Explanation:

Answer

food source

hope this helps

Answer:

A or food source 100%

Explanation:

Answer:

exoskeleton

Explanation:

Answer:

read this

Earth's Spheres

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air). Each of these four spheres can be further divided into sub-spheres. To keep things simple in this course, there will be no distinction among the sub-spheres of any of the four major spheres.

Lithosphere - Land

The lithosphere contains all of the cold, hard solid land of the planet's crust (surface), the semi-solid land underneath the crust, and the liquid land near the center of the planet.* The surface of the lithosphere is very uneven (see image on right). There are high mountain ranges like the Rockies and Andes (shown in red), huge plains or flat areas like those in Texas, Iowa, and Brazil (shown in green), and deep valleys along the ocean floor (shown in blue).

The solid, semi-solid, and liquid land of the lithosphere form layers that are physically and chemically different. If someone were to cut through Earth to its center, these layers would be revealed like the layers of an onion (see right image above). The outermost layer of the lithosphere consists of loose soil rich in nutrients, oxygen, and silicon. Beneath that layer lies a very thin, solid crust of oxygen and silicon. Next is a thick, semi-solid mantle of oxygen, silicon, iron, and magnesium. Below that is a liquid outer core of nickel and iron. At the center of Earth is a solid inner core of nickel and iron.

* Note: The word "lithosphere" can take on different meanings depending on the speaker and the audience. For example, many geologists--scientists who study the geologic formations of Earth--reserve the word "lithosphere" to mean only the cold, hard surface of Earth, not the entire inside of the planet. For the purpose of this course, however, there will be no distinction among the various layers of land. The word "lithosphere" will be used in reference to all land in Earth's system.

Hydrosphere - Water

The hydrosphere contains all the solid, liquid, and gaseous water of the planet.** It ranges from 10 to 20 kilometers in thickness. The hydrosphere extends from Earth's surface downward several kilometers into the lithosphere and upward about 12 kilometers into the atmosphere.

A small portion of the water in the hydrosphere is fresh (non-salty). This water flows as precipitation from the atmosphere down to Earth's surface, as rivers and streams along Earth's surface, and as groundwater beneath Earth's surface. Most of Earth's fresh water, however, is frozen.

Ninety-seven percent of Earth's water is salty. The salty water collects in deep valleys along Earth's surface. These large collections of salty water are referred to as oceans. The image above depicts the different temperatures one would find on oceans' surfaces. Water near the poles is very cold (shown in dark purple), while water near the equator is very warm (shown in light blue). The differences in temperature cause water to change physical states. Extremely low temperatures like those found at the poles cause water to freeze into a solid such as a polar icecap, a glacier, or an iceberg. Extremely high temperatures like those found at the equator cause water to evaporate into a gas.

** Note: Some scientists place frozen water--glaciers, icecaps, and icebergs--in its own sphere called the "cryosphere." For the purpose of this course, however, frozen water will be included as part of the hydrosphere. The word "hydrosphere" will be used in reference to all water in Earth's system.

Biosphere - Living Things

The biosphere contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth.***

Within the biosphere, living things form ecological communities based on the physical surroundings of an area. These communities are referred to as biomes. Deserts, grasslands, and tropical rainforests are three of the many types of biomes that exist within the biosphere.

Answer: hey CC text me on Quora

Explanation:

Answer:

jlgd7trus576s6rdyird

Explanation:

Answer:

Explanation:

From the information given:

The cell potential on mars E = + 100 mV

By using Goldman's equation:

[tex]E_m = \dfrac{RT}{zF}In \Big (\dfrac{P_K[K^+]_{out}+P_{Na}[Na^+]_{out}+P_{Cl}[Cl^-]_{out} }{P_K[K^+]_{in}+P_{Na}[Na^+]_{in}+ P_{Cl}[Cl^-]_{in}} \Big )[/tex]

Let's take a look at the impermeable cell with respect to two species;

and the two species be Na⁺ and Cl⁻

[tex]E_m = \dfrac{RT}{zF} In \dfrac{[K^+]_{out}}{[K^+]_{in}}[/tex]

where;

z = ionic charge on the species = + 1

F = faraday constant

∴

[tex]100 \times 10^{-3} = \Big (\dfrac{8.314 \times 298}{1\times 96485} \Big) \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)[/tex]

[tex]100 \times 10^{-3} = 0.0257 \Big ( \dfrac{4}{[K^+]_{in}} \Big)[/tex]

[tex]3.981= \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)[/tex]

[tex]exp ( 3.981) = \dfrac{4}{[K^+]_{in}} \\ \\ 53.57 = \dfrac{4}{[K^+]_{in}}[/tex]

[tex][K^+]_{in} = \dfrac{4}{53.57}[/tex]

[tex][K^+]_{in} = 0.0476[/tex]

For [Cl⁻]:

[tex]100 \times 10^{-3} = -0.0257 \ \mathtt{In} \Big ( \dfrac{120}{[Cl^-]_{in}} \Big)[/tex]

[tex]-3.981 = \ \mathtt{In} \Big ( \dfrac{120}{[Cl^-]_{in}} \Big)[/tex]

[tex]0.01867 = \dfrac{120}{[Cl^-]_{in}}[/tex]

[tex][Cl^-]_{in} = \dfrac{120}{0.01867}[/tex]

[tex][Cl^-]_{in} =6427.4[/tex]

For [Na⁺]:

[tex]100 \times 10^{-3} = 0.0257 \Big ( \dfrac{145}{[Na^+]_{in}} \Big)[/tex]

[tex]53.57= \Big ( \dfrac{145}{[Na^+]_{in}} \Big)[/tex]

[tex][Na^+]_{in}= 2.70[/tex]

Answer:

(Choice A)A food is broken down by catabolic pathways and converted to ATP, which is then used to fuel anabolic pathways

A Food is broken down by catabolic pathways and converted to ATP, which is then used to fuel anabolic pathways.

From microscopic algae to enormous blue whales, depends on food to thrive. Each food web represents a possible route for nutrients and energy to travel through the ecosystem.

As an illustration, grass makes its own sustenance from sunshine. A bunny consumes some grass. Eaten by a fox, the rabbit. When a fox dies, microbes decompose its remains and return it to the soil, where it feeds grass-like plants.

Grass is consumed by a wide variety of animals, and rabbits can also consume other plants besides grass. Foxes can consume a wide variety of animals and plants. These living organisms can all be found in different food chains.

Therefore, A Food is broken down by catabolic pathways and converted to ATP, which is then used to fuel anabolic pathways.

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Answer:

Weathering is the breaking down of rock

Explanation:

Pls mark it as brainlest

Answer:

breaking down/ dissolving of rocks & minerals

Explanation:

water, ice, acids, salt, plants, animals and changes in the weather temperature

Answer:

1) The fossils are from a descendant of animal T.

2) Organisms with traits that help them survive and reproduce in their environment pass on those traits.

3) A, C, B

4) Which animal is older?

5) Fossils of Archaeopteryx have traits of both dinosaurs and birds.

Explanation:

The fossil records are used to show that modern creatures are distinct from those from the past and to illustrate how evolution has progressed, hence for questions 1- B, 2- B, 3- D, for 4- D.

Due to individual variation within a population, certain members of the population are more likely to live and procreate under a specific set of environmental conditions.

The majority of these people live longer and have more children, passing on their beneficial features to the following generation.  

C has the most similar structure, B has the second most similar structure, and A has the least similar structure.

Two separate creatures' petrified bones have been found by scientists. To discover more about fossils, the experts consult the fossil record.

Therefore, modern creatures are distinct from those from the past, and to illustrate how evolution has progressed, hence questions 1- B, 2- B, 3- D, for 4- D.

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Answer:

hermaphroditic as it is found in both genders

Explanation: