weathering, erosion, and deposition : Explain

Canyon Fill in the relevant information on the canyon The walls of the canyon are very tall and steep Canyons often have a river running through them There is a very deep depression in the earth Shallow depression in the land V-shaped or U-shaped walls Softer incline of the surrounding walls What is the difference between weathering and erosion? What is a similarity? Describe how a canyon is formed, compared to a valley Are canyons and valleys the same thing? Why or why not?