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elena-14-01-66 [18.8K]
4 years ago
5

How did an oxygen-rich atmosphere develop from a carbon dioxide-rich atmosphere? multiple choice through photosynthesis by cyano

bacteria through asteroid impacts through volcanic eruptions
Biology
1 answer:
Iteru [2.4K]4 years ago
5 0
Through photosynthesis by cyanobacteria and plants containing chlorophyll pigment
this is the only natural process which releases the life supporting gas oxygen into the atmosphere
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