ashleyshadowdem ashleyshadowdem

14-04-2015
Geography

Answered

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

A100 percent
BBetween 25 and 75 percent
CClose to 99 percent
DLess than 1 percent

Verified Answer :

toltecavsmaya toltecavsmaya

14-04-2015

78% nitrogen, 21% oxygen,

Good luck

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thompzac thompzac

14-04-2015

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

-Enjoy!=)

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