Where does the carbon dioxide we exhale come from?

Question

Matias Valencia

Biology

14 May, 20:19

Where does the carbon dioxide we exhale come from?

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Answers (2)

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Walker Dillon · Answer 1

Well it does come from the air, but if you look into it a bit further, it comes from the decomposition of organisms, from the fossil fuels emitted off factories, and the exhalation of other animal life. : )

Anthony Leblanc · Answer 2

The air as there are many elements in the air