The word blowout has several different meanings. It can be used to describe a tire that has ruptured, a type of hairstyle or a huge sale with excellent bargains.
I would say the waterfall and the rapids are the most prominent features of a narrow V - Shaped valley where the stream profile drops rapidly.
The action of abrasion can best be described as windblown sand cutting and polishing exposed rock surfaces
a streams discharge is the excess water from a storm or melted snow.
Plants add water to the atmosphere through a process called Transpiration also called "plant sweating".
Sand dunes that are at right angles to the wind are called Transverse Dunes. They form with weak winds and an abundant supply of sand.
The vertical drop of a stream channel over distance is known as the Gradient.
cuts mainly side to side
gravel sized particles
After a stream's discharge increases, more water flows and the stream's velocity increases. Generally the width and depth will also increase.
Stream erode their channels by abrasion, grinding, and by dissolving soluble material.
Lowering the land.
The main channel of a stream divides into several smaller creeks. Occasionally, deposition causes the main channel of a stream to divide into several smaller channels called distributaries.
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