BabyDino3893 BabyDino3893

10-06-2017
Chemistry

contestada

Which gas was not part of Earth’s original atmosphere?

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dec77cat dec77cat

10-06-2017

Oxygen was formed much later as a result of photosynthesis.

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skaterdudet28 skaterdudet28

06-03-2019

Oxygen was formed later due to photosynthesis

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