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• Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• environment — 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… …   Universalium

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• plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

• History of Missouri — The history of Missouri begins with France claiming the territory and selling it to the U.S. in 1803. Statehood came following a compromise in 1820. Missouri grew rapidly until the Civil War, which saw numerous small battles and control by the… …   Wikipedia

• Bleeding Kansas — Part of Prelude to American Civil War Date 1854 to 1860 Location Kansas and Missouri Result …   Wikipedia

• William Quantrill — William Clarke Quantrill Born July 31, 1837(1837 07 31) Canal Dover (now Dover), Ohio …   Wikipedia

• Monitor National Marine Sanctuary — is the site of the wreck of the USS Monitor, one of the most famous shipwrecks in U.S. history. It was designated as the country s first national marine sanctuary on January 30, 1975, and is the only one of the thirteen national marine… …   Wikipedia