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Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, cobalt is...
Bucaramanga (Spanish pronunciation: [bukaɾaˈmaŋɡa]) is the capital and largest city of the...
Guadalajara ( GWAH-də-lə-HAR-ə, Spanish: [ɡwaðalaˈxaɾa] (listen)) is a metropolis in western...