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ExtremeBDS [4]
2 years ago
6

Which gas was not present around the time earth first formed?

Biology
2 answers:
Solnce55 [7]2 years ago
4 0

Oxygen was not present around the time earth first formed. Hope this helps. :)

Kisachek [45]2 years ago
3 0
The answer would be A. Methane
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