ashleyshadowdem
Answered

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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

Sagot :

toltecavsmaya
78% nitrogen, 21% oxygen,

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

-Enjoy!=)
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