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Metonic cycle
(Encyclopedia) Metonic cycle: see synodic period.Chellean-Abbevillian
(Encyclopedia) Chellean-Abbevillian: see Paleolithic period.Philippines Department of State Background
U.S. Department of State Background Note Philippines Index: People History Government and Political Conditions Economy Foreign Relations PEOPLEThe majority of Philippine people are descendants…Clarendon, George William Frederick Villiers, 4th earl of
(Encyclopedia) Clarendon, George William Frederick Villiers, 4th earl of, 1800–1870, British statesman. He was ambassador (1833–39) to Spain during the difficult period of the Carlist war and then…Geology of the Grand Canyon: Base Levels Of Erosion.
BASE LEVELS OF EROSION.In his popular narrative of Explorations of the Colorado River, Powell has employed the above term to give precision to an idea which is of much importance in physical…State of the Union Address: Rutherford B. Hayes (December 1, 1879)
Rutherford B. Hayes (December 1, 1879) Fellow-Citizens of the Senate and House of Representatives: The members of the Forty-sixth Congress have assembled in their first regular session under…sediment
(Encyclopedia) sediment, mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock). Sediments…Indus
(Encyclopedia) IndusIndusĭnˈdəs [key], chief river of Pakistan, c.1,900 mi (3,060 km) long, rising in the Kailas range in the Tibetan Himalayas, and flowing NW across Ladakh, India, then SW through…New Stone Age
(Encyclopedia) New Stone Age: see Neolithic period.Old Stone Age
(Encyclopedia) Old Stone Age: see Paleolithic period.