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Glaciers are made of mostly ice and
snow. In areas where there are year-round snowfall, snow in a
certain area on land will accumulate. The snow will accumulate
to such a degree that the weight and the pressure of the snow
will push the Glaciers are made up of layers of snow in the following order: * New Snow: the newest layer of snow to have fallen on the glacier * Old Snow: a layer of snow that is underneath the new layers of snow * Firn: Special State of water from the layers of snow above * Glacial Ice: The snow at the bottom that has turned to ice.
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