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WAEC Geography 1995 Question 34

Question 34

Soils

Heavy rainfall favours the formation of acid soils because it

  1. A.results in greater weathering of minerals
  2. B.causes more leaching of base elements
  3. C.results in capillary rise of base elements from deep below
  4. D.results in thicker vegetation cover
  5. E.increases bacterial activity in the soil
Show the answer and explanation

Answer: B (causes more leaching of base elements)

Explanation

Heavy rain washes bases such as calcium and potassium down and out of the soil (leaching), leaving it acidic.