[PPSC SO (Teaching), SO (DNA),& SA (DNA), 2023]

34. Consider the following statements
1) Green House gases are also called radiatively active gases as they absorb infrared radiation
2) Under the process of greenhouse flux, earth radiates back energy to the atmosphere.
3) Atmospheric lifetime of Methane is much more than Chlorofluorocarbons
 

Which of the above statements are correct?

1. 1 and 2 only

2. 2 and 3 only

3. 3 only

4. 1, 2 and 3 only

Correct Answer :

2 and 3 only