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Where do plants get the carbon they use to make organic molecules?
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Where do plants get the carbon they use to make organic molecules?

User Fdcpp
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1 vote
They get it from people. When people exhale, they expel carbon dioxide which plants take in and use for photosynthesis. Just like we breathe in oxygen that plants give us, plants take in carbon dioxide that we give them.
User Jaysoncopes
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2 votes
Most of it comes from the carbon dioxide in the air they breathe.
User Kikeenrique
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