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physics
(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...Pennsylvania
(Encyclopedia) CE5 Pennsylvania pĕnsəlvāˈnyə [key], one of the Middle Atlantic states of the United States. It is bordered by New Jersey, across the Delaware River (E), Delaware (SE), Maryland (S), West Virg...Ecuador
(Encyclopedia) CE5 Ecuador ĕkˈwədôr [key] [Span., = equator], officially Republic of Ecuador, rep...Greece
(Encyclopedia) CE5 Greece, Gr. Hellas or Ellas, officially Hellenic Republic, republic (2015 est. pop. 11,218,000), 50,944 sq mi (131,945 sq km), SE Europe. It occupies the southernmost part of the Balkan Peninsu...Colombia
(Encyclopedia) CE5 Colombia kəlŭmˈbēə, Span. kōlōmˈbyä [key], officially Republic of Col...Supreme Court, United States
(Encyclopedia) CE5 Supreme Court, United States, highest court of the United States, established by Article 3 of the Constitution of the United States. With the emergence of a working conservative majority,...science
(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...Peru, country, South America
(Encyclopedia) CE5 Peru pāro͞oˈ [key], officially Republic of Peru, republic (2015 est. pop. 31,377,000), 496,220 sq mi (1,285,210 sq km), W South America. It borders on the Pacific Ocean in the west, on Ecuad...Civil War, in U.S. history
(Encyclopedia)Civil War, in U.S. history, conflict (1861–65) between the Northern states (the Union) and the Southern states that seceded from the Union and formed the Confederacy. It is generally known in the So...Venezuela
(Encyclopedia) CE5 Venezuela vĕnəzwāˈlə, Span. vānāswāˈlä [key], officially the Bolivarian Republic of Venezuela, republic (2015 est. pop. 29,275,000), 352,143 sq mi (912,050 sq km), N South America. Ve...Browse by Subject
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