What is the origin of oxygen in earth's atmosphere

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asked Jan 10, 2023 108k views

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Dyane · Answer 1 · 2023-01-16T03:30:33+0000

Answer:

The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen.

What is the origin of oxygen in earth's atmosphere

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