What is a glacier? How could a massive chunk of ice carve out valleys and create lakes? Explain what glaciation means and identify an example of a lake that was formed by glacial processes. (need it asap)

Glaciers not only transport material as they move, but they also sculpt and carve away the land beneath them. A glacier's weight, combined with its gradual movement, can drastically reshape the landscape over hundreds or even thousands of years. The ice erodes the land surface and carries the broken rocks and soil debris far from their original places, resulting in some interesting glacial landforms.