a canyon
The running water carries enough weathered material away to form a deep canyon
It most likely have dried out. Although, it was because of water that caused the grand canyon to form.
acid rain.
The Colorado River.
It takes of years for a canyon to form.
The force is primarily water erosion wearing away the rock.
Yes it is an incised river canyon.
White Water Canyon was created in 1983.
gravity. A canyon is the result of erosion (water cutting down through weaker rock) wheras a volcano is a result of deposition.
Basin
Canyons are formed when water flows over a piece of land for a long time, millions of years even, eventually causing a canyon, which is what happened when the Grand Canyon was formed.