Which of the following may act as a base level?
A)a lake that a river flows into
B)a benchmark
C)the upper surface of a waterfall
D)the base of the CN Tower
E)the corner of Portage and Main.

Question

Quizplus · Accepted Answer

A lake that a river flows into can act as a base level because the river cannot erode the lakebed below its surface level. Therefore, the lake establishes the lowest point of erosion for the river.

Which of the Following May Act as a Base Level