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JAMB Chemistry 2007 Question 49

Question 49

Environmental Pollution

Smog usually occurs over cities which

  1. A.burn a lot of fossil fuels
  2. B.have very few plants
  3. C.are surrounded by water
  4. D.are overpopulated.
Show the answer and explanation

Answer: A (burn a lot of fossil fuels)

Explanation

Smog is smoke and fog mixed with pollutants (SO2, nitrogen oxides, soot) released mainly by burning fossil fuels.