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Cascade Range

(Encyclopedia)Cascade Range, mountain chain, c.700 mi (1,130 km) long, extending S from British Columbia to N Calif., where it becomes the Sierra Nevada; it parallels the Coast Ranges, 100–150 mi (161–241 km) i...

Pliocene epoch

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

Veracruz, state, Mexico

(Encyclopedia)Veracruz yäˈbā [key], state (1990 pop. 6,228,239), 27,759 sq mi (71,896 sq km), E central Mexico. The capital is Xalapa. Stretching c.430 mi (690 km) along the Gulf of Mexico and reaching from 30 t...

Ebola virus

(Encyclopedia)Ebola virus ēbōˈlə [key], a virus of the genus Ebolavirus, which belongs to a family (Filoviridae) of RNA viruses that cause hemorrhagic fevers. The viruses, named for a river in Congo (Kinshasa) ...

Chiapas

(Encyclopedia)Chiapas chēäˈpäs [key], state, 28,732 sq mi (74,416 sq km), SE Mexico, on the Pacific Ocean ...

Granada, city, Spain

(Encyclopedia)Granada, city, capital of Granada prov., S Spain, in Andalusia, at the confluence of the Darro and Genil rivers. Formerly (17th cent.) a silk center, Gr...

African languages

(Encyclopedia)African languages, geographic rather than linguistic classification of languages spoken on the African continent. Historically the term refers to the languages of sub-Saharan Africa, which do not belo...

Pan-Africanism

(Encyclopedia)Pan-Africanism, general term for various movements in Africa that have as their common goal the unity of Africans and the elimination of colonialism and white supremacy from the continent. However, on...

Patagonia

(Encyclopedia)Patagonia pätägōˈnyä [key], region, c.300,000 sq mi (777,000 sq km), primarily in S Argentina, S of the Río Colorado and E of the Andes, but including extreme SE Chile and N Tierra del Fuego. Pa...

sequoia

(Encyclopedia)sequoia sĭkwoiˈə [key], name for the redwood (Sequoia sempervirens) and for the big tree, or giant sequoia (Sequoiadendron giganteum), both huge, coniferous evergreen trees of the bald cypress fami...