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melissaaaa

melissaaaa

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melissaaaa
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  • Well oxygen is a waste product of plants during photosynthesis so we get oxygen from plants and they use up CO2 for photosynthesis, so i guess plants regulate how much CO2 is in the air. hope this helps!
  • Well oxygen is a waste product of plants during photosynthesis so we get oxygen from plants and they use up CO2 for photosynthesis, so i guess plants regulate how much CO2 is in the air. hope this helps!