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WAEC Biology 2010 Question 38

Question 38

Pollution

The following are greenhouse gases except

  1. A.carbon dioxide.
  2. B.chlorofluorocarbon.
  3. C.methane.
  4. D.oxygen.
Show the answer and explanation

Answer: D (oxygen.)

Explanation

Carbon dioxide, CFCs and methane trap heat in the atmosphere; oxygen does not.