Question

Darby is taking a hike. She sees a pile of broken rocks near the base of a cliff. The area is a dangerous place for _____.

Possible Answers:
glaciers,
rockfalls,
loess,
moraines.

Answer 1

The best answer is "rockfalls": if she sees a pile of broken rocks, then it is likely that more rocks will fall and that she might be in danger of those rocks falling on her as she is standing under the cliff.

Answer 2

Darby is taking a hike. She sees a pile of broken rocks near the base of a cliff. The area is a dangerous place for ROCKFALLS.

Rockfalls are a type of instability movements produced by lack of support that involve a small amount of land. It is usually rocks that fall down a slope, due to the loss of support that sustained them.

In the rockfalls, also called overturns, the case of the collapse of a rocky column in a cliff can be included, due to the erosion in the base of the same, which would be the case of this question.