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Biology, 10.12.2019 23:31 abelinoperez652

Which best explains how photosynthesis is to humans?

it reduces the amount of harmful rays released by the sun.
it increases the levels of carbon dioxide in the air.
it provides oxygen for humans to breathe.
it produces proteins, which humans can eat.

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Which best explains how photosynthesis is to humans?

it reduces the amount of harmful r...

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