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alexira [117]
3 years ago
12

Which two chemical elements make up earths atmosphere

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
7 0

Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements. Our atmosphere also contains water vapor.

hope this helps!

(:

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