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mihalych1998 [28]
3 years ago
5

Which of the following statements is true about the oxygen revolution

Biology
1 answer:
gogolik [260]3 years ago
4 0

Answer:

The oxygen revolution happened about 2.5 billion years ago. ... Then oxygen started to accumulate in the atmosphere. Oxygen is toxic to anaerobic organisms and this increase in atmospheric oxygen killed much of the life that had evolved to this point generating a huge mass extinction.

Explanation:

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