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.
Correct Answer: A
Solution :
Green-house gases such as \[C{{O}_{2}}\], ozone, methane, chlorofluorocarbon compounds and water vapour form a thick cover around the earth which prevents the IR rays emitted by the earth to escape. It gradually leads to increase in temperature of atmosphere.
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