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Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the...
Skikda ⵙⴽⵉⴽⴷⴰ (Arabic: سكيكدة), formerly Philippeville, is a city in northeastern Algeria and a...
Reykjavík ( RAYK-yə-vik, -veek; Icelandic: [ˈreiːcaˌviːk] (listen)) is the capital and largest...