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2003 World History

George W. Bush(1946– ) Saddam Hussein(1937– ) INA/Reuters/Archive Photos…

Major Biomes of the World

Have you visited any biomes lately? A biome is a large ecosystem where plants, animals, insects, and people live in a certain type of climate. If you were in northern Alaska, you would be in a…

lemming

(Encyclopedia) lemming, name for several species of mouselike rodents related to the voles. All live in arctic or northern regions, inhabiting tundra or open meadows. They frequently nest in…

marble

(Encyclopedia) marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure.…

gnu

(Encyclopedia) gnugnun&oomacr; [key] or wildebeestgnuwĭlˈdəbēstˌ [key], large African antelope, genus Connochaetes. Its heavy head and humped shoulders resemble those of a buffalo, while the…

potato beetle

(Encyclopedia) potato beetle, name for two beetles of the leaf beetle family and for two of the blister beetle family, all destructive to the potato plant and its relatives. Most notorious is the…

beech

(Encyclopedia) CE5 American beech Fagus grandifolia beech, common name for the Fagaceae, a family of trees and shrubs mainly of temperate and subtropical regions in the Northern Hemisphere. The…

raccoon

(Encyclopedia) raccoon, nocturnal New World mammal of the genus Procyon. The common raccoon of North America, Procyon lotor, also called coon, is found from S Canada to South America, except in parts…

radon

(Encyclopedia) radonradonrāˈdŏn [key], gaseous radioactive chemical element; symbol Rn; at. no. 86; mass no. of most stable isotope 222; m.p. about −71℃; b.p. −61.8℃; density 9.73 grams per liter at…