Answer:
endocytosis
Explanation:
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It can't be released by photosynthesis
Answer:
the cell membrane becomes depolarized.
Explanation:
Na+ moves in, K+ moves out.
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Microbes. Bacteria, for example, convert nitrogen and carbon dioxide from the air into usable components that plants and animals can use as essential building blocks. A loss of all microbes would be terrible news for living organisms that can't create or take in these essential nutrients on their own.
