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icebergs
Floating chunks of ice which have calved off a glacier: 5/6th underwater 1/6th above. Northern hemisphere icebergs are fractured off a glacial edge and tend to have jagged tops, while southern hemisphere icebergs have about 60 to 90 meters of their mass above the sea surface and are flat on top because they have fractured from the flat topped ice shelves which project out over the southern oceans. Icebergs can occur in fresh or salt water.
 

 

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29 August 2011
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