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Which gas was not present in the early atmosphere of Earth when it formed and the crust was still forming? O carbon dioxide O hydrogen O helium O oxygen

Which gas was not present in the early atmosphere of Earth when it formed and the crust was still forming? O carbon dioxide O hydrogen O helium O oxygen
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3 votes
Which gas was not present in the early atmosphere of Earth when it formed and the crust was still forming?

O carbon dioxide
O hydrogen
O helium
O oxygen

asked
User Zooter
by
7.8k points

1 Answer

2 votes
i believe it is oxygen, hope this helps!
answered
User Batbaatar
by
8.8k points
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