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

25-03-2019

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

Answer Link

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