Meteorologyeasy#102
The atmosphere is composed of approximately:
A
78% oxygen, 21% nitrogen
B
78% nitrogen, 21% oxygen
CorrectC
50% nitrogen, 50% oxygen
D
90% nitrogen, 10% oxygen
Explanation
The atmosphere is approximately 78% nitrogen, 21% oxygen, with the remaining 1% being argon, CO2, and trace gases.
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