How is a glacier a source of weathering and erosion?

Answer:
glacier move at approximately 2 cm per day. even though that isn't much, glaciers constant;y take with them dirt and sediments from the ground, eroding it. this could also be weathering.
First answer by Tumnus629. Last edit by Tumnus629. Contributor trust: 15 [recommend contributor recommended]. Question popularity: 1 [recommend question].