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São Tomé and Principe
(Encyclopedia) CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...Securities and Exchange Commission
(Encyclopedia)Securities and Exchange Commission (SEC), agency of the U.S. government created by the Securities Exchange Act of 1934 and charged with protecting the interests of the public and investors in connecti...physical education and training
(Encyclopedia)physical education and training, organized instruction in motor activities that contribute to the physical growth, health, and body image of the individual. The historical roots of physical education ...Persian art and architecture
(Encyclopedia)Persian art and architecture, works of art and structures produced in the region of Asia traditionally known as Persia and now called Iran. Bounded by fierce mountains and deserts, the high plateau of...perfluoroalkyl and polyfluoroalkyl substances
(Encyclopedia)perfluoroalkyl and polyfluoroalkyl substances (PFAS), a group of several thousand synthetic organic chemical compounds made up of a chain of carbon atoms bonded to fluorine atoms. PFAS, which resist w...Ohio and Erie Canal
(Encyclopedia)Ohio and Erie Canal, former waterway of Ohio, 307 mi (494 km) long, between Lake Erie at Cleveland and the Ohio River at Portsmouth; built 1825–32. It utilized part of the courses of the Cuyahoga, M...societies, learned and literary
(Encyclopedia)societies, learned and literary, associations of individuals with a common professional interest, intended to promote learning. Many societies publish the proceedings of their meetings as well as jour...Solemn League and Covenant
(Encyclopedia)Solemn League and Covenant: see Covenanters. ...Spanish art and architecture
(Encyclopedia)Spanish art and architecture, works of art and architecture produced in what is now the European country of Spain. Open to a wide variety of cultural influences, the art and architecture of Spain have...Tunb, Greater and Lesser
(Encyclopedia)Tunb, Greater and Lesser: see Greater and Lesser Tunb. ...Browse by Subject
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