erosion
A nearly level area that has been eroded is called a peneplain. It is a landform characterized by extensive, low-relief surfaces that result from prolonged erosion and weathering processes.
a mountain
I think it is called a plateau
it is a plain
A plateau.
Land that is nearly surrounded by water is called a peninsula.
a plateu
peninsula means nearly an island. its called greenwich peninsula because it is nearly an island
The soil in this area was eroded after all the trees were cut.
It is called an ulcer
That I believe, would be the Earth's Crust.
plateu