Which of the following factors decreases the risk of mass movement?

Question

Quizplus · Accepted Answer

Adding vegetation to the side of a hill can help stabilize the slope and reduce the risk of mass movement by reinforcing the root structure of the soil and reducing erosion. Nearby earthquakes (A) can increase the risk of mass movement, excavation into the base of a hill (B) can weaken the slope and increase instability, and adding weight to the top of a hill (C) can also increase the risk of mass movement.

Which of the Following Factors Decreases the Risk of Mass