How much of Earth's atmosphere is made up of nitrogen and oxygen? A. 100 percent B. Between 25 and 75 percent C. Close to 99 percent D. Less than 1 percent

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asked Sep 9, 2016 117k views

1 vote

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

A. 100 percent
B. Between 25 and 75 percent
C. Close to 99 percent
D. Less than 1 percent

Geography
high-school

Kanth asked

by Kanth

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2 Answers

4 votes

78% nitrogen, 21% oxygen,

Good luck

Rand Random answered Sep 10, 2016

by Rand Random

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6 votes

C: close to 99% percent because it is made up of 78% nitrogen and 21% oxygen.

-Enjoy!=)

Kukunin answered Sep 16, 2016

by Kukunin

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