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whale
(Encyclopedia)whale, aquatic mammal of the order Cetacea, found in all oceans of the world. Members of this order vary greatly in size and include the largest animals that have ever lived. Cetaceans never leave the...East Timor
(Encyclopedia)East Timor –lĕshˈtā [key], Tetum Timor Lorosae, republic, officially Democratic Republic...Bahrain
(Encyclopedia)CE5 Bahrain or Bahrein both: bärānˈ, bə– [key], officially Kingdom of Bahrain, constitutional monarchy and ...Cretaceous period
(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...whaling
(Encyclopedia)whaling, the hunting of whales for the oil that can be rendered from their flesh, for meat, and for baleen (whalebone). Historically, whale oil was economically the most important. In 1932–33, par...Norway
(Encyclopedia)CE5 Norway, Nor. Norge, officially Kingdom of Norway, constitutional monarchy (2015 est. pop. 5,200,000), 125,181 sq mi (324,219 sq km), N Europe, occupying the western part of the Scandinavian pen...Europe
(Encyclopedia)CE5 Europe yo͝orˈəp [key], 6th largest continent, c.4,000,000 sq mi (10,360,000 sq km) including adjacent islands (2015 est. pop. 740,814,000). It is actually a vast peninsula of the great Euras...bacteria
(Encyclopedia)bacteria [pl. of bacterium], microscopic unicellular prokaryotic organisms characterized by the lack of a membrane-bound nucleus and membrane-bound organelles. Once considered a part of the plant king...bridge, structure
(Encyclopedia)CE5 Bridges bridge, structure built over water or any obstacle or depression to allow the passage of pedestrians or vehicles. See also viaduct. In wartime, where the means of crossing a stream o...air pollution
(Encyclopedia)air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air pollution are t...Browse by Subject
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