intermittent source of air pollution

  • 61Nameplate capacity — Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity or maximum effect, refers to the intended technical full–load sustained output of a facility such as a power plant,[1][2] a chemical plant,[3] fuel… …

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  • 62North American Desert — ▪ region, North America Introduction  vast, irregular belt of inhospitable terrain (desert) that stretches north to south down the western side of the North American continent from southern Oregon and Idaho to northern Mexico. It roughly… …

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  • 63Wetland — For other uses, see Wetland (disambiguation). The Florida Everglades massive wetland system in the United States saw 1.7 billion gallons of fresh water flushed from it daily and pumped into the ocean following one of the most successive water… …

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  • 64Iraq — /i rak , i rahk /, n. a republic in SW Asia, N of Saudi Arabia and W of Iran, centering in the Tigris Euphrates basin of Mesopotamia. 22,219,289; 172,000 sq. mi. (445,480 sq. km). Cap.: Baghdad. Also, Irak. * * * Iraq Introduction Iraq Background …

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  • 65North 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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  • 66Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …

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  • 67Clean Water Act — For Clean Water Act of Ontario, Canada, see Clean Water Act (Ontario). Clean Water Act Full title Federal Water Pollution Control Amendments of 1972 Acronym CWA / Clean Water Act Enacted by the 92nd United …

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  • 68Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 69ancient Greek civilization — ▪ historical region, Eurasia Introduction       the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …

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  • 70THERMIQUE — La thermique est la branche de la physique qui traite des échanges de chaleur accompagnés ou non d’échange de masse et de changement de phases. Elle peut donc être considérée comme partie intégrante de la thermodynamique des phénomènes… …

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