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WAEC Agricultural Science 1991 (August) Question 3

Question 3

Rocks and Soil Formation

Use the diagram (a soil profile with layers labelled I to V) to answer this question. The part that is mostly rich is minerals is labelled

Diagram for this question
  1. A.I
  2. B.II
  3. C.III
  4. D.IV
  5. E.V
Show the answer and explanation

Answer: C (III)

Explanation

Minerals leached from the topsoil collect in the subsoil (III), the zone of accumulation.