题目内容

Slumps involve a mass of soil or other material sliding along a curved, rotational surface

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Which factor exerts the greatest control over the velocity of debris flows and the distance they will travel?A) B) C) D)

A. Vegetation
B. Water content
C. Slope angle
D. Friction

Which of the following types of flows will have the largest particle sizes?

A. Debris flow
B. Quick clay
C. Mudflow
D. Earthflow

Which of the following factors does not influence mass wasting?A) B) C) D)

A. Gravity
B. Geologic age
C. Water
D. Vegetation

Which sediment size has the steepest angle of repose?

A. Gravel
B. Sand
C. Silt
D. Clay