Which of the following statements best explains the effects of soil erosion? A.
Soil erosion makes land arable by adding nutrients to the topsoil.
B.
Soil erosion occurs only in places with natural vegetation, forcing farmers to clear more land.
C.
Soil erosion adds too much fertilizer to the soil, causing plants to grow too quickly.
D.
Soil erosion weathers away the topsoil and its valuable nutrients.