Which gas is most abundant in Earth's atmosphere?

General Science · General Awareness · Medium · Practice for RRB Group D, RRB NTPC CBT 1, SSC CGL Tier 1, SSC CGL Tier 2, SSC CHSL Tier 1

Which gas is most abundant in Earth's atmosphere?

Carbon dioxide
Oxygen
Nitrogen
Argon

Answer and solution

Correct answer: C) Nitrogen

Nitrogen makes up about 78%.

Learn the method: General Science rules and worked examples

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