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krek1111 [17]
3 years ago
13

Which of these statements is true about the oxygen revolution?

Biology
1 answer:
lions [1.4K]3 years ago
8 0
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>

These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>
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