What are most canyons caused by?
erosion Physical weathering magic Freezing temperature Flowing water ice wedging Flowing gas flooding
A B C D E F G H
Rivers contain 0.001 percent of the earth's water.
most canyons are formed by flowing water
What are most canyons caused by? (A) erosion (B) Physical weathering (C) magic (D) Freezing temperature (E) Flowing water (F) ice wedging (G) Flowing gas (H) flooding