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16-11-2020
Biology

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HURRYYYY WILL GIVE BRAINLY. Even animals that live deep underwater require air to survive. Why is oxygen a necessity of life?

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16-11-2020

Answer: Oxygen fuels our cells and helps provide the basic building blocks that our bodies need to survive. Our cells combine oxygen with nitrogen and hydrogen to produce various proteins that build new cells.

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16-11-2020

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