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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

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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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

asked
User Kanth
by
8.1k points

2 Answers

4 votes
78% nitrogen, 21% oxygen,

Good luck
answered
User Rand Random
by
8.2k points
6 votes
C: close to 99% percent because it is made up of 78% nitrogen and 21% oxygen.

-Enjoy!=)
answered
User Kukunin
by
8.3k points
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