water circulation in lakes and seas
71Climate of Mars — Mosaic image of Mars as seen by Viking 1, 22 February 1980 The climate of Mars has been an issue of scientific curiosity for centuries, not least because Mars is the only terrestrial planet whose surface can be directly observed in detail from… …
72List of Advanced Dungeons & Dragons 1st edition monsters — This literature related list is incomplete; you can help by expanding it. See also: List of Dungeons Dragons monsters Contents 1 TSR 2009 Monster Manual (1977 …
73Arctic Ocean — Arctic Sea redirects here. For the cargo ship, see MV Arctic Sea. The Arctic Ocean Earth s oceans (World Ocean) …
74chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
75Russia — • Geography and history Catholic Encyclopedia. Kevin Knight. 2006. Russia Russia † Catholic E …
76Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
77Fountain — For other uses, see Fountain (disambiguation). the Jet d eau, in Geneva (1951), rises 140 meters (459 feet) above Lake Geneva …
78Cyanotoxin — Green scum produced by and containing cyanobacteria, washed up on a rock in California during an algal bloom Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue green algae). Cyanobacteria are found almost… …
79Laptev Sea — Basin countries Russia Surface area 700,000 km2 (270,000 sq mi) Average depth …
80Beijing — /bay jing /, n. Pinyin. a city in and the capital of the People s Republic of China, in the NE part, in central Hebei province: traditional capital of China. 7,570,000. Also, Peking, Peiching. Formerly (1928 49), Peiping. * * * I or Pei ching… …
