Rock falls occur when a piece of rock on a steep slope becomes dislodged and falls down the slope. Debris falls are similar, except they involve a mixture of soil, regolith, vegetation, and rocks. A rock fall may be a single rock or a mass of rocks, and the falling rocks can dislodge other rocks as they collide with the cliff.
Sarah is studying the various processes involved with mass wasting. She drew this model of several rock falls. Rock falls commonly occur where..
A) there is wave action.
B) there are steep cliffs.
C) heavy rains are a common occurrence.
Eliminate
D) the loose upper surface slides over a solid underlay.
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Ответ:
70 degrees (F)
Explanation: