Arrange the following greenhouse gases in the increasing order of their life time in the earth's…
Water vapour has an atmospheric residence time of only about nine days, methane about twelve years, nitrous oxide about 115 years and sulphur hexafluoride about 3200 years.…
Choose your answer
Arrange the following greenhouse gases in the increasing order of their life time in the earth's atmosphere:
A. SF6
B. N2O
C. H2O vapor
D. CH4
Answer and explanation
Correct answer A
Water vapour has an atmospheric residence time of only about nine days, methane about twelve years, nitrous oxide about 115 years and sulphur hexafluoride about 3200 years. In increasing order of lifetime this gives C, D, B, A. Hence that sequence is the correct answer.
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