1.

Which of the following atmospheric gases constitute greenhouse gases?_x000D_ 1. Carbon dioxide_x000D_ 2. Nitrogen_x000D_ 3. Nitrous oxide_x000D_ 4. Water vapour_x000D_ Select the correct answer using the codes given below:

A. 1 and 4
B. 1 and 3
C. 1, 2 and 4
D. 1, 3 and 4
Answer» E.


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