Continental Drift, Sea Floor Spreading and Plate Tectonics. Tectonic Theories. Tectonic theories attempt to explain why mountains, earthquakes, and volcanoes occur where they do, the ages of deformational events, and the ages and shapes of continents and ocean basins.
Sterling, Connecticut. Sterling is a town in Windham County, Connecticut, United States. The population was 3,099 at the 2000 census.
Sterling. Sterling, Virginia is a census-designated place in Loudoun County, Virginia. The population as of the 2010 Census was 27,822. It is located northwest of Herndon, east of Ashburn, and west of Great Falls, and includes part of Dulles International Airport and the former AOL corporate headquarters.terling (adj). belonging to, or relating to, the standard British money of account, or the British coinage; as, a pound sterling; a shilling sterling; a penny sterling; -- now chiefly applied to the lawful money of England; but sterling cost, sterling value, are used.