The Language of Music Schooling and Education The Definition of "Price" Electricity The Beginning of Drama Television Andrew Carnegie American Revolution Suburbanization Types of Speech Archaeology Museums Skyscrapers and Environment A Rare Fossil Record The Nobel Academy The War Between Britain and France Evolution of Sleep Modern American Universities Children's Numerical Skills The Historical Significance of the American Revolution The Origin of Sports Collectibles Henry Ford Piano Movie Music International Business and Cross-cultural Communication Scientific Theories Changing Roles of Public Education Telecommuting The Origin of Refrigerators British Columbia Botany Plankton Raising Oysters Oil Refining Plate Tectonics and Sea-floor Spreading Icebergs Topaz The Salinity of Ocean Waters Cohesion-tension Theory American Black Bears Coal-fired Power Plants Statistics Obtaining Fresh Water from Icebergs The Source of Energy Vision Folk Cultures Bacteria Sleep Cells and Temperature Marine Mammals Chimpanzee Nitinol Treasure in Sunken Ship Creating Colors The Organic Foods Lighthouses Animals' Compasses Muscles and Human Body Colds and Age Pottery Mimicry in Plants Oil and Water Salt and Metabolism The Early Settlers in North America Plants in the Deserts The American Civil War Women in Colonial North America The Revolution in American Higher Education Garza's Art Works The Alaska Pipeline The Satiric Literature The Microscopic Technique The History of Chemistry Hydrogen and Industries Mars Food and Health Police and Communities Population Growth Evolution and Wheels
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