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  • 41Race and intelligence — Human intelligence Abilities and Traits …

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  • 42Ozone 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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  • 43Chemical warfare — For other uses, see Chemical warfare (disambiguation). This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …

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  • 44Antiretroviral drug — HAART redirects here. For UK estate agency Haart, see Spicerhaart. Antiretroviral drugs are medications for the treatment of infection by retroviruses, primarily HIV. When several such drugs, typically three or four, are taken in combination, the …

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  • 45Tabitha and Napoleon D'umo — Napoleon and Tabitha D umo Backstage after the So You Think You Can Dance season four finale. Born October 17, 1968 (1968 10 17) (age 43) [Napoleon] September 11, 1973 ( …

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  • 46Pentax cameras — This article discusses the cameras – mainly 35 mm SLRs – manufactured by Hoya Corporation s Pentax division (ペンタックス, Pentakkusu?) and its predecessors, Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha …

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  • 47Armes nucléaires des États-Unis — États Unis Arsenal nucléaire Programme Date de lancement 21 octobre 1939 Premier essai nucléaire 16 juillet 1945 …

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  • 48arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …

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  • 49International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …

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  • 50Professional practice of behavior analysis — The professional practice of behavior analysis is the fourth domain of behavior analysis. The other three are behaviorism, experimental analysis of behavior, and applied behavior analysis. [Cooper, et al. p. 20] The professional practice of… …

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