Question: When trees are removed from an area in a tropical rainforest, the area experiences an increase in soil erosion. Which statement best explains why removing the trees can lead to soil erosion?

  Options: 
 A. Less bedrock will be available to make soil.
 B. There will be fewer roots to hold the soil in place.
 C. The number of soil-eating insects in the area will increase.
 D. The amount of solar radiation reaching the ground will increase.
Answer: B