Question

______ is the earliest metal used by man.

विकल्प

• Iron

• Manganese

• Bauxite

• Copper

Answer 1

Copper is the earliest metal used by man.

Explanation:

Copper is the earliest metal used by humans. During the Copper Age (Chalcolithic period), it was one of the first metals to be mined and used in tools, weapons, and ornaments.