Debris flows can move very rapidly, and they can transport rock materials of greatly different size. They are also common in semi-arid regions. Additionally, debris flows are often described as "wet" flows because they typically contain a high percentage of water.

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Debris Flows

Question 12

Multiple Choice

Debris flows

A) May move rapidly and transport rock materials of greatly different size.
B) Are common in semi-arid regions.
C) Are not fluids in their behavior, but are dry flows of material.
D) Both may move rapidly and transport rock materials of greatly different size and are common in semi-arid regions are correct.

Correct Answer: