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Olduvai Gorge

(Encyclopedia) Olduvai GorgeOlduvai Gorgeōlˈdəwāˌ, –vāˌ [key], a feature of the E African Rift Valley in Tanzania. Erosional processes have exposed geological strata in the gorge dating to the lower…

Hudson Bay

(Encyclopedia) Hudson Bay, inland sea of North America, c.475,000 sq mi (1,230,000 sq km), c.850 mi (1,370 km) long and c.650 mi (1,050 km) wide, E central Canada. Hudson Bay and James Bay (its…

Great Rift Valley

(Encyclopedia) Great Rift Valley, geological fault system of SW Asia and E Africa. It extends c.3,000 mi (4,830 km) from N Syria to central Mozambique. The northernmost extension runs S through Syria…

Geologic Timescale (table)

(Encyclopedia) Geologic Timescale Era Period Epoch Approximate duration (millions of years) Approximate number of years ago (millions of years) Cenozoic Quaternary Holocene 10,000 years ago to…

plover

(Encyclopedia) ploverploverplŭvˈər [key], common name for some members of the large family Charadriidae, shore birds, small to medium in size, found in ice-free lands all over the world. Plovers are…

vulture

(Encyclopedia) vulture, common name for large birds of prey of temperate and tropical regions. The Old World vultures (family Accipitridae) are allied to hawks and eagles; the more ancient American…

Capitalization

Capitalize the following:Proper nouns and adjectives derived from proper nouns: Marie CurieChina, Chinese Smokey RobinsonDarwin, Darwinian But vocabulary words derived from proper nouns…

tapir

(Encyclopedia) tapirtapirtāˈpər [key], nocturnal, herbivorous mammal, genus Tapirus, of the jungles of Central and South America and SE Asia. The tapir is somewhat piglike in appearance; however, it…

Pliocene epoch

(Encyclopedia) Pliocene epochPliocene epochplīˈəsēn [key], fifth epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 5.1 to 2 million years ago.…

Long Island, island, United States

(Encyclopedia) Long Island (1990 pop. 6,861,454), 1,723 sq mi (4,463 sq km), 118 mi (190 km) long, and from 12 to 20 mi (19–32 km) wide, SE N.Y.; fourth largest island of the United States and the…