madi3766 madi3766
  • 16-01-2019
  • Biology
contestada

Which of the following gases was most likely present in earths earliest atmosphere

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SoccerHalo
SoccerHalo SoccerHalo
  • 16-01-2019

Oxygen, because water must have been present when Earth first formed.

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toledoruth017
toledoruth017 toledoruth017
  • 21-02-2019

the correct answer is hydrogen

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