Waterfall
A waterfall is a steep fall or flow of water.
It is a plateau
Land whose surface is rough and uneven and possibly rocky or steep.
A NorLun trough is a inverted trough that usually occurs along northeast coast of the United States. It generally extends from the surface up to near 850 or 800 mb. Winds around the trough are convergent and light. This helps to keep the trough in place to produce heavy snow. Another important ingredient for a NorLun trough is to have steep lapse rates in the lower part of the atmosphere...again generally from 800 mb and below.
Valley Glacier
A waterfall is a steep fall or flow of water.
steep means you are going higher
That asking price seems rather steep. Put your car into a lower gear to drive down a long, steep hill. Let the tea steep for several minutes.
You can save gas driving a steep hill by driving the car at a lower RPM.
Escarpment
cataract means: a decent of water over a steep surface.
shift to a lower gear
It is very steep at the top and narrow but. At the bottom it isn't steep.
mountains have steep slopes and a small summit but hills are generally lower and are less steep than mountains
The steep cliff between the higher and lower escarpment land.
select a lower gear
an island