WAEC Biology 2015 Objective — Question 39
Question 39 of 50 from the West African Examinations Council (WAEC) Biology 2015 Objective paper, with the correct answer and a full explanation.
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Soil erosion could be prevented by
- A. flooding a farmland
- B. cover-croppingCorrect
- C. deforestation
- D. leaving the soil bare
Explanation
Cover-cropping is an effective way of preventing soil erosion, as plant cover protects the soil surface from being washed or blown away.
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