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flood, in hydrology

(Encyclopedia) flood, inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of…

tide

(Encyclopedia) tide, alternate and regular rise and fall of sea level in oceans and other large bodies of water. These changes are caused by the gravitational attraction of the moon and, to a lesser…

Nebraska

(Encyclopedia) CE5 NebraskaNebraskanəbrăsˈkə [key], Great Plains state of the central United States. It is bordered by Iowa and Missouri, across the Missouri River (E), Kansas (S), Colorado (SW),…

Fires and Explosions

Worst U.S. Forest Fires Whether you're talking about forest fires or kitchen fires, factory explosions or arson, when fires get out of control, the damage can be devastating. 1666…

Ghana Department of State Background

U.S. Department of State Background Note Ghana Index: Geography History Government and Political Conditions Economy Foreign Relations GEOGRAPHYGhana's population is concentrated along the coast…

conservation of natural resources

(Encyclopedia) conservation of natural resources, the wise use of the earth's resources by humanity. The term conservation came into use in the late 19th cent. and referred to the management, mainly…

continent

(Encyclopedia) continent, largest unit of landmasses on the earth. The continents include Eurasia (conventionally regarded as two continents, Europe and Asia), Africa, North America, South America,…

apartheid

(Encyclopedia) apartheidapartheidəpärtˈhīt [key] [Afrik.,=apartness], system of racial segregation peculiar to the Republic of South Africa, the legal basis of which was largely repealed in 1991–92…

mountain

(Encyclopedia) mountain, high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly…

Cape Verde

(Encyclopedia) CE5 Cape Verde Cape Verde vûd [key], Port. Cabo Verde, officially Republic of Cape…