Q: Which one of the following important greenhouse gases is not considered to be largely changed in its amount due to human activities?
(a)Water vapour
(b)Carbon dioxide
(c)Chlorofluorocarbon
(d)Methane
Correct Answer: (a)
The correct answer is (a) 'Water vapour'. This question from the Environment & Ecology domain tests knowledge of Climate Change & Greenhouse Gases.