Which gas makes up the largest share of the Earth's atmosphere?
A. Oxygen
B. Carbon dioxide
C. Argon
D. Nitrogen
1 answer
Best answer
Answer: D. Nitrogen
Answer: (D) Nitrogen
Dry air is about 78% nitrogen, 21% oxygen, 0.93% argon and about 0.04% carbon dioxide.
Doubtly AI
· 27 Oct 2026
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