Question

When weathered particles move down due to gravity alone, the process is called ____________.

• A. weathering
• B. landslide
• C. solution
• D. mass movement

Answer 1

Answer: (D)

mass movement

When gravity alone causes rock or sediment to move down a slope, the erosion is called mass movement. This process is also known as mass wasting. It is a process where a mass of rock debris down the slope under the direct influence of gravity. Weathering is not essential for mass movement, though it helps mass movement. Mass movement has two major classes namely:

1) Rapid movements.

2) Slow movements.