Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Environment, Weather & EcologyComposition of Atmosphere
The most abundant gas in the earth's atmosphere by volume is _?
- A.Oxygen
- B.NitrogenCorrect answer
- C.Carbon dioxide
- D.Argon
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Practice these MCQs in the appQuick fact: The most abundant gas in the earth's atmosphere by volume is Nitrogen, which makes up about 78% of the atmosphere.