zzzsupreme
zzzsupreme zzzsupreme
  • 06-05-2017
  • Biology
contestada

Before there was any life on earth, which gas was absent from the ancient atmosatmosphere?

1)oxygen
2)ammonia
3)nitrogen
4)methane

Respuesta :

Аноним Аноним
  • 06-05-2017
1) oxygen because without it there cant be any organisms to survive earth so without oxygen there was no life
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