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MrRa [10]
3 years ago
6

Ninety nine percent of the atmosphere is composed of _____ and _____.

Biology
2 answers:
VARVARA [1.3K]3 years ago
8 0

Answer:

Ninety nine percent of the atmosphere is composed of Nitrogen and Oxygen

Alexeev081 [22]3 years ago
4 0

Answer:

78% nitrogen and 21% oxygen

Explanation:

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