massive arch dam

  • 41Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …

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  • 42Gaborone —   City   From top to bottom: skyline view of Gaborone, statue of Seretse Khama, the city centre of Gaborone, bird s eye view of Gaborone …

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  • 43Geology of the Grand Canyon area — The geology of the Grand Canyon area exposes one of the most complete sequences of rock anywhere, representing a period of nearly 2 billion years of the Earth s history in that part of North America. The major sedimentary rock layers exposed in… …

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  • 44List of Wonder Woman enemies — Termite Queen links here. For information on queens of the termite species, see Termite Queen. This is a list of fictional characters from DC Comics who are or have been enemies of Wonder Woman. Contents 1 Central rogues gallery 2 Foes of lesser… …

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  • 45Laos — /lah ohs, lows, lay os/; Fr. /lann aws /, n. a country in SE Asia: formerly part of French Indochina. 5,116,959; 91,500 sq. mi. (236,985 sq. km). Cap.: Vientiane. * * * Laos Introduction Laos Background: In 1975, the Communist Pathet Lao took… …

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  • 46Panama — This article is about the country. For other uses, see Panama (disambiguation). Republic of Panama República de Panamá (Spanish) …

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  • 47Bangladesh — /bahng gleuh desh , bang /, n. republic in S Asia, N of the Bay of Bengal: a member of the Commonwealth of Nations; a former province of Pakistan. 125,340,261; 54,501 sq. mi. (141,158 sq. km). Cap.: Dhaka. Formerly, East Pakistan. * * *… …

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  • 48History of Tasmania — The history of Tasmania begins at the end of the most recent ice age (approximately 10 000 years ago) when it is believed that the island was joined to the Australian mainland.Indigenous peopleTasmania was totally inhabited by an indigenous… …

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  • 49North 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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  • 50Optimus Prime — is a fictional character from the Transformers franchise. Prime is the leader of the autobots, a faction of transforming robots from the planet Cybertron. The autobots are constantly waging war against a rival faction of transforming robots… …

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