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What is the most abundant gas in Earth's atmosphere? | QuestionStock

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Science

What is the most abundant gas in Earth's atmosphere?

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Answer & explanation

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Correct answer: C. Nitrogen

Explanation: Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of the atmosphere.

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Created 2026-02-14T19:26:18.291Z. Updated 2026-02-14T19:26:18.291Z.