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How do we get our oxygen if plants do cellular respiration. If plants do cellular respiration and photosyntehsis shouldn't there be no oxygen in the air?
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How do we get our oxygen if plants do cellular respiration. If plants do cellular respiration and photosyntehsis shouldn't there be no oxygen in the air?

User Dotbill
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Well there is tiny bacteria called Cyanobacteria the pretty much combines water carbon dioxide and sunlight
User VillageTech
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