Christine Webster, "Glaciers (Science Matters)"
English | 2005 | pages: 23 | ISBN: 1590363035, 1590363094 | PDF | 5,7 mb
English | 2005 | pages: 23 | ISBN: 1590363035, 1590363094 | PDF | 5,7 mb
Describes the various types of glaciers, how they form and move, and why they can be dangerous.
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