SSC CGL 2017 Tier 1 Questions and Answers

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which-of-the-following-is-not-a-primar- green-house-gas-in-the-earth's-atmosphere

Which of the following is NOT a primary green house gas in the earth's atmosphere?

[A] Methane

[B] Ozone

[C] Nitrous oxide

[D] Hydrogen

Answer & Explanation
Answer: Hydrogen