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SSC GD 2019 PYQ — Question 43

SSC GD Constable (English) - 6 March 2019 Shift 1 • General Awareness • Q43

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The atmosphere of Mars is mostly composed of _______.

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Correct answer: B

Explanation

The correct answer is option 2 i.e. Carbon dioxide.

  • Composition of Mars' atmosphere: 95% carbon dioxide, 3% nitrogen, 1.6% argon, and it has traces of oxygen, carbon monoxide, water, methane and dust.