Question

How do waterfalls form?

A. meander gets cut off.
B.Sediment builds up.
C.Soft rock erodes.
D.Flat areas flood.

Answer 1

c

Step-by-step explanation:

Answer 2

Soft rock erodes

Step-by-step explanation:

Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls.