The place known as the roof of the world
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green land
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norway
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tibet
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alaska
C
Correct answer
Explanation
Tibet is known as the 'Roof of the World' due to its average elevation being the highest on Earth at around 4,500 meters (14,800 ft) above sea level. The Tibetan Plateau covers an area of about 2.5 million square kilometers. Greenland has ice sheets but lower average elevation, Norway has mountains but is not a plateau, and Alaska has high peaks but is not predominantly elevated like Tibet.