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Luda [366]
3 years ago
15

What caused the composition of Earth’s early oceans to transition from dissolved carbon dioxide to dissolved oxygen?

Biology
1 answer:
Sonbull [250]3 years ago
3 0

The correct answer is C.

The cyanobacteria hypothesis is a leading theory for how O2 was made prevalent.

If this helped you, please vote me as brainliest!

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