What is an important part of the cycle that has made and kept the earth a place where living things can survive
a. erosion
b. mechanical weathering
c. chemical weathering
d. glaciers

What is an important part of the cycle that has made and kept the earth a place where living things can survive erosion - A.

are there any options you can choose from? ?

answer(c) carved on a babylonian clay tablet that showed earth as a flat circular disk;