Palisade
Cliffs is plural. Cliff is singular.
A location on a line is often called a point, or a place on the line.
The line that crosses the y-axis is called the intercept.
The line segments that form a polygon called are called sides or edges.
Palisade
A line of cliffs formed by displacement along a fault is known as a fault scarp.
Scarp
The White Cliffs of Dover.
Scarp
A line of steep cliffs is known as a cliff face or cliff edge. Cliffs are steep rock faces formed by erosion or tectonic activity, and they can be found along coastlines, mountain ranges, or canyons. Cliff faces can be dangerous to navigate and should be approached with caution.
Coastal erosion
This is called a waterfall
A person who studies cliffs is called a geologist or a geomorphologist, depending on the specific focus of their research.
they are called cataracts.
Yes, that is why they are called clay cliffs. When it dries, clay is firm, and forms a soft rock, however it is easily eroded, so clay cliffs are often unstable.
The cliffs and canyons of Starved Rock are made of an Ordivician age sandstone called St. Peter sandstone.