If a Stream-Cut Canyon Is Deep and Narrow,which of the Following

Multiple Choice

If a stream-cut canyon is deep and narrow,which of the following is most likely to be true?

A) Rocks in the canyon walls are relatively hard and easy to erode.
B) The stream is probably close to its base level.
C) Downcutting is occurring faster than widening.
D) The stream contains mostly small clasts,such as silt.