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7. Which of the following is not a greenhouse gas?
        (a) Carbon dioxide
        (b) Sulphur dioxide
        (c) Methane
        (d) Nitrogen

Answers (2)

best_answer

 Nitrogen is not a greenhouse gas. Hence, option (d) is the correct answer. 

Posted by

Divya Prakash Singh

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Option b

Posted by

Kamal

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