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WAEC Geography 2021 Question 32

Question 32

Environmental Hazards and Conservation

Which of the following are the possible causes of soil erosion? I. Bush burning II. Overgrazing III. Reafforestation IV. Excavation

  1. A.I and II only
  2. B.I, II and IV only
  3. C.I, II and III only
  4. D.II, III and IV only
Show the answer and explanation

Answer: B (I, II and IV only)

Explanation

Bush burning, overgrazing and excavation all expose bare soil to rain and wind; reafforestation protects the soil.