Question

Which of the following gases is not a greenhouse gas?

• A. $CO$
• B. $O_3$
• C. $C{H}_4$
• D. $H_{2}O$ vapour

Answer 1

Answer: (A)

Carbon dioxide, methane, water vapour, nitrous oxide, $CFCs$ and ozone are greenhouse gases. Carbon monoxide, $CO$ is not a greenhouse gas.