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.