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Question
Which of the following gases contributes maximum to the 'Greenhouse effect'?
(a) Carbon dioxide
(b) Methane
(c) Chlorofluorocarbon
(d) Freon
(a) Carbon dioxide
(b) Methane
(c) Chlorofluorocarbon
(d) Freon
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Solution
(a) Carbon dioxide
There are four major greenhouse gases: carbon dioxide, methane, chlorofluorocarbons and nitrous oxide. Their contribution towards global warming is 60%, 20%, 14% and 6%, respectively.
There are four major greenhouse gases: carbon dioxide, methane, chlorofluorocarbons and nitrous oxide. Their contribution towards global warming is 60%, 20%, 14% and 6%, respectively.
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