Answer :

the old stone started about 2.5 million years ago. in about 9,600 B.C.
The Stone Age is also divided into three different periods. Paleolithic or Old Stone Age: from the first production of stone artefacts, about 2.5 million years ago, to the end of the last Ice Age, about 9,600 BCE. This is the longest Stone Age period.
HOPE IT HELPED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Other Questions