Question

Greenhouse gas among the following is/are:

• A. Nitrous oxide
• B. Methane
• C. Carbon dioxide
• D. all of the above

Answer 1

Answer: (D)

All the gases mention in the option i.e Carbon dioxide, nitrous oxide, and methane trap the solar radiation coming from the sun and radiate energy back to the surface of the earth causing the increase in temperature. This is called global warming and these gases are called greenhouse gases.

Hence, option $D$ is correct.