1.

The greenhouse effect is because of the

A. presence of gases, which in general are strong infrared absorbers, in the atmosphere
B. presence of \[C{{O}_{2}}\]only in the atmosphere
C. pressure of \[{{O}_{3}}\] and \[C{{H}_{4}}\] in the atmosphere
D. \[{{N}_{2}}O\] and chlorofluorohydrocarbons in the atmosphere
Answer» B. presence of \[C{{O}_{2}}\]only in the atmosphere


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