A) \[C{{H}_{4}},\text{ }CFCs,\text{ }C{{C}_{2}}\]
B) \[C{{O}_{2}},\text{ }{{N}_{2}}O,\text{ }{{H}_{2}}\]
C) \[CFCs,\text{ }N{{O}_{2}},\text{ }{{O}_{2}}\]
D) \[C{{C}_{2}},\text{ }{{N}_{2}},\]water vapour
Correct Answer: A
Solution :
Greenhouse effect is the \[C{{O}_{2}}\] effect. It is due to \[C{{C}_{2}}\] layer in atmosphere and also by \[CFCs,\text{ }S{{O}_{2}},\text{ }N{{O}_{2}},\text{ }C{{H}_{4}}.\]These gases come from factories, automobile, agriculture, refrigerators, deforestation. These gases entrap the solar heat and prevents the escape of heat from earth to outer space, thus increasing the temperature of earth which further lead to global warming.
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