The Grand Canyon, pictured, was created over millions of years as the Colorado River cut through the land. What is this process called? A.
tectonics
B.
erosion
C.
mining
D.
subduction

erosion

Explanation:

erosions is the process of stone being carved by a natural process such as water wind or sand grinding up against it causing it to erode away but tectonics doesn't count as erosion.

answer; i believe the correct answer is (clockwise and outward) about the center;