The base level of a tributary would ________ if a dam and a reservoir were constructed where it flowed into a trunk stream.
A) be unchanged
B) become unpredictable
C) fall
D) rise

Question

Quizplus · Accepted Answer

If a dam and a reservoir were constructed where a tributary flowed into a trunk stream, the water flow would be impeded, causing the water level to build up behind the dam and rise. This rise in the water level would affect the tributary, causing it to experience an increase in its base level.

The Base Level of a Tributary Would ________ If a Dam