The Principal Difference Between a Debris Flow and a Mudflow

question 18

Multiple Choice

The principal difference between a debris flow and a mudflow is ________.

• A) the shape of the path taken by the moving mass
• B) the grain size of the moving mass
• C) that a debris flow contains abundant water,whereas a mudflow is dry
• D) that a debris flow contains pyroclastic debris from a volcanic eruption

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