toddwiley59 toddwiley59

13-02-2017
Biology

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Which process is most responsible for the increase in early Earths atmospheric oxygen levels

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acolomps acolomps

13-02-2017

The Great Oxygenation Event- referred to as such because it increased Earth's atmospheric oxygen levels. This was caused by the evolution of photosynthesizing organisms releasing oxygen.

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TimeMunkee TimeMunkee

12-09-2018

Photosynthesis is the correct answer.

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