NEET Biology question

Not in NEET syllabus

Which one of the following gases contributes maximum to the 'green house effect' on the earth? **[AIPMT 1994]**

(A)Carbon dioxideCorrect
(B)Chlorofluorocarbon
(C)Freon
(D)Methane

Answer: (A)

Solution

Although CFCs and methane are more potent greenhouse gases molecule-for-molecule, carbon dioxide's much larger atmospheric concentration and emission volume make it

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Question ID VK-130224