The Principal Difference Between a Debris Flow and a Mudflow

question 33

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 size of the materials that make up 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