sink rapidly
61mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …
62Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
63Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
64Heat engine — Thermodynamics …
65Paragliding — is a recreational and competitive flying sport. A paraglider is a free flying, foot launched aircraft. The pilot sits in a harness suspended below a fabric wing, whose shape is formed by the pressure of air entering vents in the front of the wing …
66Maritime history of California — History of California This article is part of a series Timeline …
67Carbon dioxide — Carbon dioxide …
68War of 1812 — This article is about the Anglo American War of 1812 to 1815. For other wars in 1812, see War of 1812 (disambiguation). War of 1812 The unfinished United States Capitol after the burning of Washington. Watercolor and i …
69Battle of the Atlantic (1939–1945) — Infobox Military Conflict conflict = Battle of the Atlantic partof = World War II caption = Officers on the bridge of an escorting British destroyer keep a sharp look out for enemy submarines, October 1941 date = September 3 1939 May 7 1945 place …
70USS Thresher (SS-200) — USS|Thresher|SS 200, a Tambor class submarine, was the first United States Navy ship to be named for the thresher shark. Her keel was laid down 27 May 1939 at the Electric Boat Company of Groton, Connecticut. She was launched on 27 March 1940… …
