Question 1
As base level is approached by a stream, the ability of a stream to erode its bed
◦ increases.
◦ decreases.
◦ remains constant.
Question 2
As the discharge of a stream
increases, which of the following also happens?
◦ Stream channels narrow, become shallower, and lose velocity.
◦ The rate of flow decreases.
◦ Channel width increases but channel depth decreases.
◦ Width, depth, and velocity all increase.