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Grateful Dead, The
(Encyclopedia)Grateful Dead, The, American rock music group formed in 1965 by guitarists Jerry Garcia, 1942–95, and Bob Weir, 1947–, harmonica player Ron “Pigpen” McKernan, 1945–73, bassist Phil Lesh, 194...plate tectonics
(Encyclopedia)CE5 Plate tectonics: Map of the world showing major plates and plate boundaries CE5 Plate tectonics: Schematic model of the oceanic crust, showing the three types of plate boundaries plate tect...shipworm
(Encyclopedia)shipworm or teredo tĕrēˈdō [key], marine bivalve mollusk of the family Teredinidae, specialized for boring in wood. A shipworm is not a worm, but a greatly elongated clam. Its two shells, enclosin...snail
(Encyclopedia)snail, name commonly used for a gastropod mollusk with a shell. Included in the thousands of species are terrestrial, freshwater, and marine forms. Some eat both plant and animal matter; others eat on...continental drift
(Encyclopedia)CE5 Continental drift (arrows indicate the directions of motion of the landmasses) A. Proposed reconstruction of the supercontinent Pangaea indicating the major present landmasses B. Proposed recon...Melville, Andrew
(Encyclopedia)Melville, Andrew, 1545–1622, Scottish religious reformer and scholar. He studied abroad, came under the influence of Theodore Beza, and was a professor at Geneva. He was principal (1574–80) of the...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, Australia, and An...Great Rift Valley
(Encyclopedia)Great Rift Valley, geological fault system of SW Asia and E Africa. It extends c.3,000 mi (4,830 km) from N Syria to central Mozambique. The northernmost extension runs S through Syria and Lebanon, th...Dominicans
(Encyclopedia)Dominicans dəmĭnˈĭkənz [key], Roman Catholic religious order, founded by St. Dominic in 1216, officially named the Order of Preachers (O.P.). Although they began locally in evangelizing the Albig...octopus
(Encyclopedia)octopus, cephalopod mollusk having no shell, eight muscular arms or tentacles, a pouch-shaped body, and two large, highly developed eyes. The prey (crabs, lobsters, and other shellfish) is seized by t...Browse by Subject
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