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