Question

3. The period when tools were made of both copper and stone​

Answer 1

Answer:

The Copper Age was a time period between the Neolithic and the Bronze Age. It was an era of transition between the stone tool-using farmers of the Neolithic and the metal-obsessed civilizations of the Bronze Age. Copper came to be used from around 4000. First tools, implements and weapons were made from copper....

Answer 2

Answer:

Stone age us the period where almost all the mechanical tools are made up of both copper and stone.