verobbyxo
verobbyxo verobbyxo
  • 25-03-2019
  • Biology
contestada

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

Methane
Hydrogen
Oxygen
Nitrogen

Respuesta :

ashaornelas ashaornelas
  • 25-03-2019
The answer would be A. Methane
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smolbree
smolbree smolbree
  • 25-03-2019

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

Answer Link

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