Less bedrock will be available to make soil. There will be fewer roots to hold the soil in place. The number of soil-eating insects in the area will increase. The amount of solar radiation reaching the ground will increase.
I am hesitating between 4 options to answer the following question, which option should I choose?
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?
Possibilities:
- Less bedrock will be available to make soil.
- There will be fewer roots to hold the soil in place.
- The number of soil-eating insects in the area will increase.
- The amount of solar radiation reaching the ground will increase.

There will be fewer roots to hold the soil in place.