Q. 175.0( 1 Vote )

Which of the following contribute to green house effect?
(a) methane (CH4)

(b) carbon dioxide (CO2)

(c) chlorofluorocarbons (CFCs)

(d) all of these

Answer :

Methane, carbon dioxide and chlorofluorocarbons; all of them are greenhouse gases that trap the infrared rays and thus trap the heat, not allowing it to escape the earth’s surface, hence contributing to greenhouse effect.

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