How did oxygen increase in the early atmosphere?

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asked Dec 6, 2024 184k views

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Darkhydro · Answer 1 · 2024-12-10T08:56:12+0000

Answer:

Photosynthesis by primitive plants and algae released oxygen, which gradually built up in the atmosphere. Eventually, the amount of oxygen present in the atmosphere enabled animals to evolve.

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How did oxygen increase in the early atmosphere?

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