A stream is cutting into a valley wall. Which of the following is the most likely trigger for a mass wasting event?

A) The stream will saturate the slope and generate a mudflow.
B) The stream erodes the toe of the slope, which results in the slope becoming oversteepened.
C) Upslope trees will be removed, reducing slope strength.
D) The stream will deposit extra sediment on the slope, increasing the weight on the slope.


Answer: B

Environmental & Atmospheric Sciences

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