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coral reefs
(Encyclopedia) coral reefs, limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians…Aleutian Islands
(Encyclopedia) Aleutian IslandsAleutian Islandsəl&oomacr;ˈshən [key], chain of rugged, volcanic islands curving c.1,200 mi (1,900 km) west from the tip of the Alaska Peninsula and approaching…Caribbean Sea
(Encyclopedia) Caribbean SeaCaribbean Seakârˌĭbēˈən, kərĭbˈēən [key], tropical sea, c.970,000 sq mi (2,512,950 sq km), arm of the Atlantic Ocean, Central America. It is bordered on the N and E by the…Hawaii, state, United States
(Encyclopedia) CE5 HawaiiHawaiihəwīˈē, häväˈē [key], 50th state of the United States, comprising a group of eight major islands and numerous islets in the central Pacific Ocean, c.2,100 mi (3,380…Lewis & Clark: From Fort Mandan to the Yellowstone
by NoahBrooks Winter among the MandansIn the Haunts of Grizzlies and BuffaloFrom Fort Mandan to the Yellowstone Up to this time, the expedition had passed through regions…Saint Kitts and Nevis
(Encyclopedia) CE5 Saint Kitts and Nevis or Saint Kitts–NevisSaint Kitts and Nevisnēˈvĭs, nĕvˈĭs [key], officially Federation of Saint Kitts and Nevis, island nation (2015 est. pop. 52,000), 120…Southeast Asia
(Encyclopedia) Southeast Asia, region of Asia (1990 est. pop. 442,500,000), c.1,740,000 sq mi (4,506,600 sq km), bounded roughly by the Indian subcontinent on the west, China on the north, and the…Precambrian
(Encyclopedia) Precambrian, name of a major division of geologic time (see Geologic Timescale, tablegeologic timescale, table), from c.5 billion to 570 million years ago. It is now usually divided…lake, body of water
(Encyclopedia) lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance…fossil
(Encyclopedia) fossil, remains or imprints of plants or animals preserved from prehistoric times by the operation of natural conditions. Fossils are found in sedimentary rock, asphalt deposits, and…Trending
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