Question

Which of the following are greenhouse gases?

a. CO₂
b. Water vapour
c. Oxygen
d. Methane
e. Nitrogen
f. Nitrous oxide

• A. a, c, d and f
• B. a, b, e and f
• C. a, b, c and f
• D. a, b, d and f

Answer 1

The correct option is D

a, b, d and f

• A greenhouse gas is any gaseous compound present in the atmosphere that is capable of absorbing and trapping radiations, thereby holding heat in the atmosphere.
• These gases are responsible for the increasing temperature of the earth and hence cause global warming.
• The primary greenhouse gases in Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.