Which of the following statements is not correc... - WAEC Biology 1989 Question
Which of the following statements is not correct about the ecological effects of agricultural activities?
A
The use of herbicides and pesticides in farms can cause pollution
B
Bush-burning encourages desertification
C
Excessive use of fertilizers in farms may have harmful effects
D
Tillage of tropical soils with ploughs and harrows may encourage erosion
correct option: e
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