Geography and Culture Terms

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Ice shelf

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A floating sheet of ice permanently attached to a landmass.

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Icebergs

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Large floating masses of ice detached from a glacier or ice shelf.

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Antarctic Peninsula

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A peninsula of Antarctica located at the northernmost part of the mainland of Antarctica.

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Polar Desert

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A region with a very dry climate, found in polar areas, characterized by low precipitation.

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Ozone Layer

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A layer in Earth's stratosphere containing a high concentration of ozone, which absorbs most of the Sun's ultraviolet radiation.

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Micronesia

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A subregion of Oceania, composed of thousands of small islands in the western Pacific Ocean.

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Melanesia

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A subregion of Oceania extending from the western end of the Pacific Ocean to the Arafura Sea, and eastward to Fiji.

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Polynesia

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A subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean.

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Atoll

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A ring-shaped coral reef, island, or series of islets surrounding a lagoon.

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Territory

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An area of land under the jurisdiction of a ruler or state.