BabyDino3893 BabyDino3893

Today at 4:37 PM
Chemistry

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

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dec77cat dec77cat

Today at 4:42 PM

Oxygen was formed much later as a result of photosynthesis.

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skaterdudet28 skaterdudet28

Today at 4:43 PM

Oxygen was formed later due to photosynthesis

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