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  • 11environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …

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  • 12Health and Disease — ▪ 2009 Introduction Food and Drug Safety.       In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …

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  • 13Effective frequency — In advertising, the effective frequency is the number of times a person must be exposed to an advertising message before a response is made and before exposure is considered wasteful.The subject on effective frequency is quite controversial. Many …

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  • 14Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …

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  • 15Tanning bed — A tanning bed or sunbed is a device emitting ultraviolet radiation (typically 95% UVA and 5% UVB, +/ 3%) used to produce a cosmetic tan. Regular tanning beds use several fluorescent lamps that have phosphor blends designed to emit UV in a… …

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  • 16Melanoma — Classification and external resources A melanoma ICD 10 C43 …

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  • 17Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …

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  • 18animal learning — ▪ zoology Introduction       the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn.       That animals can learn seems to go without saying. The cat that… …

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  • 19HIV — Classification and external resources Diagram of HIV …

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  • 20Pregnancy — For pregnancy in non human animals, see Pregnancy (mammals). Pregnancy Classification and external resources A pregnant woman at the end of the second trimester. ICD 10 …

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