Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Studies Environment Climate Change
Rank the following GHGs by their atmospheric lifetime (shortest to longest):
A) CO₂
B) CH₄
C) N₂O
D) HFC-134a
1
B < D < C < A
2
D < B < C < A
3
A < B < D < C
4
C < B < A < D