What is the source of the carbon dioxide that is used in photosynthesis?

asked Apr 24, 2016 131k views

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Answer:

Step-by-step explanation:

just got 100

Oh My Dog answered Apr 25, 2016

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The major source of carbon dioxide comes from pollution, which is caused by humans. We also exhale carbon dioxide as well.

Nik Klassen answered Apr 30, 2016

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