It hasn't ended. Natural environments like the grand Canyon are ever changing.
erode is a noun. Wind and water erode rock. past tense- eroded The Colorado River eroded the Grand Canyon
water erodes a canyon by carrying sediment from the rock walls down the river
It has been in that process of creation for millions of years.
it turns into a old man
Follow throught the Grand Canyon. Scottyboy, Chris, and Kasey
Because it cut through the earth surface and creates a canyon
About 17 milllion years as we know it today.
The grand canyon erodes because of weatherization and plate shifting.
No, streams take a long long time to erode canyons - you only gave one choice so there aren't any others to consider. If you have a multiple choice question the best way to ask that on this website is to ask each choice as a separate question, such as "Can a stream eroding a canyon change the surface of the Earth very rapidly?"
Millions of years
The canyon is 277 miles (446 km) long.