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Metals.

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  • Author(s): Parodi, George A.
  • Source:
    Salem Press Encyclopedia of Science, 2025. 3p.
  • Subject Terms:
    Copper; Ores; Metals
  • Additional Information
    • Abstract:
      Dense, lustrous solids have been known since prehistoric times, when they were first used to make tools and weapons. In the ages since then, humans have learned to understand metals and to control their properties.