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What is an iceberg?
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An iceberg is a piece of ice from a glacier or polar ice sheet that breaks off at the coastline and then floats in the sea. Only one-eighth of an iceberg shows above the sea's surface. This is why they are dangerous to ships. Icebergs may drift for two years before melting.
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Previous:
Back
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Book:
Best Ever Q&A
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Section:
Our World
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Chapter:
Landscape
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