JEE Main202116 Mar 2021Evening ShiftChemistryEnvironmental ChemistryActual
The green house gas/es is (are): (A) Carbon dioxide (B) Oxygen (C) Water vapour (D) Methane Choose the most appropriate answer from the options given below:
Options
- A(A) and (C) only
- B(A) only
- C(A), (C) and (D) only
- D(A) and (B) only
Correct answer
C. (A), (C) and (D) only
Step-by-step solution
Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour, carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect. The green house gases are CO 2 ,   H 2 O vapour and CH 4 .