The major source of oxygen in earth's early proterozoic atmosphere is inferred to have been produced by

In this question in which is the major source then of free oxygen in the earth's Proterozoic atmosphere is being produce by the evaporation of the ocean water. Hope this answer would be of big help to this assignment then.

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ahsan57900 ahsan57900 · Answer 2 · 2022-03-03T11:33:44+01:00

Cyanobacteria is the major source of oxygen in earth's early proterozoic atmosphere.

What are cyanobacteria?

The cyanobacteria which is also called blue-green algae. These microbes performs the process of photosynthesis by using sunshine, water and carbon dioxide to produce carbohydrates and oxygen so we can conclude that Cyanobacteria is the major source of oxygen in earth's early proterozoic atmosphere.

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