permafrost rocks

  • 1permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …

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  • 2Life zones of Peru — When the Spanish arrived, they divided Peru (very simplistic) in three main regions: the Coastal region (11.6% of Peru), that is bounded by the Pacific Ocean; the Highlands (28.1% of Peru), that is located on the Andean Heights, and the Jungle,… …

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  • 3ММП — нефт. межмерзлотные породы permafrost rocks (PFR) …

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  • 4glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …

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  • 5arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …

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  • 6Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean …

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  • 7Alaskan mountains — ▪ mountains, United States Introduction       three principal mountain groups the Brooks Range, Alaska Range, and Aleutian Range found in Alaska.  The mountain ranges of Alaska give their state a rugged and beautiful terrain across its entire… …

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  • 8North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …

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  • 9New Siberian Islands — The New Siberian Islands. Location of the New Siberian Isla …

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  • 10Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… …

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