Ice sheets, commonly referred to as continental glaciers, contain around 99% of the freshwater on Earth. As they approach the shore and span the ocean, ice sheets become ice shelves.
A mass of glacial ice that is not as large as an ice sheet is referred to as a "ice cap." A field of ice is made up of several connected ice tops. A glacier will begin to move outward and downward as a result of gravity's pull and its own weight. Valley glaciers flow down valleys in addition to the outward migration of continental ice sheets. The glaciers, which are referred to as "rivers of ice," indeed flowThe glacier shapes the landscape as it moves slowly downward across the valley.
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