Question

what called the natural removal of the thin topmost layer of earth surface​

Answer 1

it is known as soil erosion

hope it helps u

Answer 2

Answer:

The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.