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patriot [66]
3 years ago
8

How much of Earth's atmosphere is made How much of Earth's atmosphere is made up of nitrogen and oxygen?

Social Studies
2 answers:
choli [55]3 years ago
5 0

Hello!

ANSWER

\boxed{ \bf d.~Close~to~99~percent.} of the Earth's atmosphere is made up of nitrogen and oxygen.

________________________________________________________

Oxygen makes up about 21% of Earth's atmosphere, and nitrogen makes up about 78%. Together, the two make up approximately 99% of the atmosphere.

Varvara68 [4.7K]3 years ago
3 0

How much of Earth's atmosphere is made up of nitrogen and oxygen?

  A. Close to 99 percent


Hope I was helpful (:


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