Which of the following statements concerning mudflows is not true?
A)Mudflows may be caused by heavy rains or melting snow.
B)In hilly areas,mudflows move down the canyons and stream valleys.
C)Mudflows deposit talus slopes.
D)Mudflows can move and carry very large boulders and other coarse debris.

Question

Quizplus · Accepted Answer

Mudflows generally do not deposit talus slopes, which are formed from rockfalls or landslides. Mudflows may deposit sediment and debris in their path, but this material is generally a mix of finer grained particles, not large boulders. Choices A, B, and D are all true statements about mudflows.

Which of the Following Statements Concerning Mudflows Is Not True