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Llullaillaco

(Encyclopedia)Llullaillaco yo͞oˌyīyäˈkō [key], extinct volcano, 22,057 ft (6,723 m) high, on the border of Chile and Argentina. One of the highest peaks in the Andes and perpetually snowcapped, it overlooks a...

Andes

(Encyclopedia)Andes ănˈdēz [key], mountain system, more than 5,000 mi (8,000 km) long, W South America. The ranges run generally parallel to the Pacific coast and extend from Tierra del Fuego northward, across t...

Argentina

(Encyclopedia)CE5 Argentina ärjəntēˈnə, Span. ärhāntēˈnä [key], officially Argentine Republic, republic (2020 est. pop. 45,380,000), 1,072,157 sq mi (2,776,889 sq k...

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