What is the chronological order of the sub-periods of the Stone Age that precede the Metal Age which date from 2.5 million to 3000 B.C?

The chronological order of the sub-periods of the Stone Age that precede the Metal Age are:

1. Paleolithic Age (2.5 million - 10,000 B.C.)
2. Mesolithic Age (10,000 - 6000 B.C.)
3. Neolithic Age (6000 - 3000 B.C.)