Answer:
Skin serves as a protective barrier, a way to sense the world, and a layer that keeps nutrients and water inside the body.
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Answer:
chemical, mechanical, electrical
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Answer:
the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.
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Answer:
it is number 2 becuase it both has to be the same
Explanation:
<span> C) They make carbohydrates through the process of photosynthesis.
</span>Photosynthesis is a process wherein light energy is converted into chemical energy.
<span>Plants use the light energy coming from the sun and make food and other cellular organic compounds that will be used for certain types.
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