WAEC Biology 2023 Objective — Question 32
Question 32 of 50 from the West African Examinations Council (WAEC) Biology 2023 Objective paper, with the correct answer and a full explanation.
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Which of the following soil types have a high capillarity?
- A. Sand and clay
- B. Silt and clayCorrect
- C. Silt and sand and Loam
- D. Sand and clay
Explanation
Clay has very tiny particles with very small pore spaces (micropores). Capillarity is much greater in micropores than in macropores. Note as well that capillarity is higher in silt than in sand.
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