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GaryK [48]
3 years ago
8

What two gases together make up 99% of Earth's atmosphere?

Biology
2 answers:
Soloha48 [4]3 years ago
5 0
The two gasses that make up 99% of the earth's atmosphere are nitrogen and oxygen. 
Hope that helped! =)
s344n2d4d5 [400]3 years ago
3 0
Nitrogen<span>, </span>oxygen<span>, </span>water vapor<span>, </span>carbon dioxide,methane<span>, </span>nitrous oxide<span>,</span>
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