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Glaciers
   
The Mountain Exhaled by laszlo-photo on Flickr

A glacier is a large flowing ice mass. Some glaciers move at a snail's pace, just a few inches a day, while others advance more than a hundred feet a day.
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New Fortuna Glacier, 1915 / photographed by Frank Hurley by State Library of New South Wales collection on Flickr

Glaciers are formed as large amounts of snow accumulate over many years and individual snow flakes at the bottom of the snow pile are compacted into grain-like pellets called firn.
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Perito Moreno by untipografico on Flickr

When that chunk of ice floats in the water it is called an iceberg.
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Jokulsarlon MDR by Molechaser on Flickr


An iceberg floats in the ocean.
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Huskies! by christine zenino (chrissy575) on Flickr

Animals, such as wolves and bears, live in forests near glaciers.
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Aquarium du Québec, Québec by Gattou/Back to work :( on Flickr

There are animals, such a polar bears , seals and walruses that use icebergs as a place to rest and hunt for food.
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tim hanging out in a crevasse with me while we wait to be rescued by our rope teams by slopjop on Flickr

Glacier ice can move as much as 1 foot each day! 
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Glaciar Fox by cesargp on Flickr

The Fox Glacier is a 13 km long glacier located in Westland Tai Poutini National Park on the West Coast of New Zealand's South Island.
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Glacier rescue operations by The U.S. Army on Flickr

Scientists are interested in glaciers because these chunks of ice can be used to study global warming. People are putting more carbon dioxide gas into the Earth’s atmosphere, or air, every year by doing things like burning coal for electricity. Like a blanket in the atmosphere, that carbon dioxide traps heat and warms the planet.


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