NEET 2019 Biology question

Not in NEET syllabus

Which of the following pairs of gases is mainly responsible for green house effect?

(1)Ozone and Ammonia
(2)Oxygen and Nitrogen
(3)Nitrogen and Sulphur dioxide
(4)Carbon dioxide and MethaneCorrect

Answer: (4)

Solution

Greenhouse gases trap the infrared radiation re-emitted by the earth. Their relative contribution to global warming is about 60%, 20%, CFCs 14% and 6%, so carbon dioxide and methane

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Question ID VK-092476