Question

It took thousands of years to form the Grand Canyon. What MOST LIKELY caused the formation of the canyon?

A) glacial drift
B) an earthquake
C) a rushing river
D) tectonic plates

Answer 1

D)

Step-by-step explanation:

i think, sorry if it incorrect :P

Well, I found this:

"Then, between 70 and 30 million years ago, through the action of plate tectonics, the whole region was uplifted, resulting in the high and relatively flat Colorado Plateau." So yeah