(Encyclopedia) sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or esters of sulfuric acid, H2SO4, formed by replacing one or both of the hydrogens with a metal (e.…
actor, directorBorn: 7/1/1952Birthplace: Ottawa, Ontario, Canada The grandson of a Canadian Mountie, he veered away from his study of criminology in college to pursue his interest in acting. He…
(Encyclopedia) Dogger BankDogger Bankdôˈgər, dŏˈ– [key], extensive sandbank, c.6,800 sq mi (17,610 sq km), central North Sea, between Great Britain and Denmark. Covered by shallow water (c.55–120 ft/…
(Encyclopedia) Cromarty FirthCromarty Firthkrŏmˈərtē [key], deep narrow inlet of Moray Firth, c.15 mi (25 km) long, Highland, N Scotland. It provides excellent anchorage, its narrow entrance being…
(Encyclopedia) Kentucky, river, 259 mi (417 km) long, formed by the junction of the North Fork and the Middle Fork rivers, central Ky., and flowing NW to the Ohio River at Carrollton. Frankfort, Ky…
(Encyclopedia) Tarn, river, c.235 mi (380 km) long, rising in the Cévennes Mts., S France, and flowing southwest before emptying into the Garonne River. Deep gorges and canyons formed by the river…
(Encyclopedia) terrace, a level field built on top of a hillslope into the floor of a deep valley to improve cultivation of crops. Terracing uses the runoff from the hill to increase soil…
(Encyclopedia) KauaiKauaikouˌwīˈ [key], circular island (1990 pop. 51,177), 549 sq mi (1,422 sq km), 32 mi (52 km) in diameter, N Hawaii, separated from Oahu island to the southeast by Kauai Channel…
(Encyclopedia) bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to…
