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Question

Which of the following gasses contribute to greenhouse effect?
  1. CO2
  2. CH4
  3. CFC
  4. All of the above

A
CO2
B
CH4
C
CFC
D
All of the above
Solution
Verified by Toppr

Greenhouse gases cause the greenhouse effect. The primary greenhouse gases in the earth's atmosphere are carbon dioxide, methane, nitrous oxide, and ozone.
Chlorofluorocarbons (CFCs) are also greenhouse gases.
So, the correct option is D.

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