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Question

Which of the following are greenhouse gases?

a. CO2    
b. Water vapour           
c. Oxygen       
d. Methane         
e. Nitrogen         
f. Nitrous oxide


  1. a, b, c and f

  2. a, b, d and f

  3. a, c, d and f

  4. a, b, e and f


Solution

The correct option is B

a, b, d and f


  • A greenhouse gas is any gaseous compound present in the atmosphere that is capable of absorbing and trapping radiations, thereby holding heat in the atmosphere.
  • These gases are responsible for the increasing temperature of the earth and hence cause global warming.
  • The primary greenhouse gases in Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.

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