Waterfalls are commonly formed in the upper course of the river. At these times the channel is often narrow and deep. When the river ...
Dec 10, 2011
A waterfall forms slowly as rivers erode rock and break it apart. Learn about
May 16, 2014
On the other hand, the question may say, "With the aid of a diagram explain the
They swirl around, causing more erosion. Over time, this process is repeated and
Erosion plays an important part in the
Nov 18, 2013