As outlined by historians, the Egyptians have been mining copper to the Sinai Peninsula as long ago as 3000 bce, While some bronze (copper alloyed with tin) is dated as early as 3700 bce. Kvalificirano digitalno potrdilo – priporočena prijava Mobilna identiteta smsPASS Elektronska osebna izkaznica Rekono Halcom A person https://johnathanweinr.blogoscience.com/43102179/resource-scarcity-fundamentals-explained