Multiple choice

Which of the following gases are responsible for greenhouse effect?

  1. CH4 and N2

  2. CO2 and N2

  3. CH4 and CO2

  4. O2 and N2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Gases responsible for greenhouse effect are methane and carbon dioxide, i.e. CH4 and CO2. Hence, option (3) is correct.

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