Question 46
SoilSoil erosion CANNOT be controlled by
- A.planting cover crops
- B.contouring of sloping ground
- C.terracing of slopes
- D.laying of mulch
- E.burning of bush.
Show the answer and explanation
Answer: E (burning of bush.)
Explanation
Burning bush removes the plant cover that protects the soil, so it increases erosion. The others all protect the soil.