1.

Which of the following atmospheric gasca constitute Green house gases?1. Carbon dioxide2. Nitrogen3. Nitrous Oxide4. Water vapour Select the correct answer using the codes given below:

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


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