A glacier is a large body of slowly moving ice. A glacier is made up of ice, snow, rock, and sediments. Some facts about glaciers are:
- They form over hundreds of years.
- They currently hold Earth’s largest supply of fresh water.
- They cover about 10% of the Earth’s surface.
- North America’s largest glacier is Bering Glacier, near Cordova, Alaska. It is 126 miles long and covers an area of more than 1,900 square miles.
