Hutton Posited the Wearing Down of Earth, Its __

This page is the CodyCross answer for the clue below from Life on Wheels, Group 1783, Puzzle 2 (Pedals and Chain).

Question is: Hutton Posited the Wearing Down of Earth, Its __

and the answer is: EROSION

Word Meaning:

EROSION — (chiefly uncountable) The result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face.

Definitions from Wiktionary.

Hutton posited the wearing down of Earth, its __ — CodyCross Answer | CodyCross Solutions