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timurjin [86]
2 years ago
14

Ninety nine percent of the atmosphere is composed of _____ and _____. water vapor, carbon dioxide nitrogen, oxygen nitrogen, car

bon dioxide oxygen, carbon dioxide
Chemistry
2 answers:
seraphim [82]2 years ago
6 0

<em>Oxygen</em> and<em> Nitrogen.</em>


;) <3

eimsori [14]2 years ago
5 0
Hey there! 
Ninety nine percent of the atmosphere is composed of oxygen and nitrogen! The atmosphere is composed of 78% nitrogen and 21% oxygen! 
Hope it helps :D
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