harmoneyyyy harmoneyyyy
  • 14-11-2020
  • Chemistry
contestada

What percentage of the atmosphere is oxygen?

Respuesta :

sukunshrestha
sukunshrestha sukunshrestha
  • 14-11-2020

Answer:

21%

Explanation:

It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

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