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Tasya [4]
3 years ago
10

The component of the blood that carries oxygen and carbon dioxide to and from the cells is _____

Biology
1 answer:
Kitty [74]3 years ago
8 0
Fill in the blank with stem.

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Over a long period of time, excessive greenhouse gases traps the heat from the Sun and makes the planet Earth _____________
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Warmer

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3 0
3 years ago
Which statement is true of artificial selection?
Charra [1.4K]

Answer:

The correct option is : B. It is fundamentally different from natural selection

Explanation:

Artificial selection is a process of selective breeding of animals and plants, to develop and obtain the desired phenotypic characteristics or traits in the offspring. In this process, humans select which animal or plant males and females will breed, to produce an offspring possessing the desired phenotypic traits.

Charles Darwin used artificial selection to support and introduce his theory of natural selection. He compared natural selection with artificial selection and explained that <u>artificial selection is an intentional process, whereas natural selection is not.</u>

<u>As artificial selection is intentional and natural selection is not intentional.</u>

<u>Therefore, </u><u>artificial selection is fundamentally different from natural selection.</u>

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3 years ago
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The chemical bond that occurs from the attraction of two oppositely charged atoms is a(n) _____. a) covalent bond b) ionic bond
Sidana [21]
The chemical bond that occurs from the attraction of 2 oppositely charged atoms is an IONIC bond .
3 0
3 years ago
How do veins keep blood moving
GenaCL600 [577]

Answer:

The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.

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How do scientist classify the different types of soil
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Answer:

Scientists classify the different types of soil into major groups based on climate, plants, and soil composition. ... Some soil organisms make humus, the material that makes soil fertile. Other soil organisms mix the soil and make spaces in it for air and water.

Explanation:

Hope this helps :))

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