How is erosion different from weathering?

Weather is a day to day condition happening in a particular place, for EXAMPLE: Yesterday was sunny but today is now rainy. Erosion is the process by which the surface of the Earth gets worn down. Erosion can be caused by natural elements such as wind and glacial ice. But anyone who has ever seen a picture of the Grand Canyon knows that nothing beats the slow steady movement of water when it comes to changing the Earth with Erosion.

Answer collision and mountain formation;