Question

Which
period is known as the copper age?​

Answer 1

Chalcolithic age

I hope it is helpful for you.

Answer 2

Answer:

The Chalcolithic or Copper Age is the transitional period between the Neolithic and the Bronze Age. It is taken to begin around the mid-5th millennium BC, and ends with the beginning of the Bronze Age proper, in the late 4th to 3rd millennium BC, depending on the region.