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Biology, 19.10.2019 12:20 damonsalvatoreisbae

Photosynthetic autotrophs are organisms that use light energy and carbon dioxide to make sugar and oxygen. aerobic heterotrophs, on the other hand, are organisms that use oxygen and organic carbon for energy, and release carbon dioxide as a waste product. earth's early atmosphere contained very little free oxygen.

based on the information above, which of the following is most likely true?

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