Glaciers are fallen snow that, over the years, the snow thickens into ice masses. Glaciers form when snow remains in a place long enough it transforms into ice. The thing that makes glaciers unique is there ability to move. Glaciers occupy about 10 percent of the world’s total land area. Glaciers fill 5.8 million square miles across the world. Seventy-five percent of fresh water comes from glaciers.
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