<P> Prehistory is the period of human activity between the use of the first stone tools c. 3.3 million years ago and the invention of writing systems , the earliest of which appeared c. 5,300 years ago . </P>
<P> Prehistory is the period of human activity between the use of the first stone tools c. 3.3 million years ago and the invention of writing systems , the earliest of which appeared c. 5,300 years ago . </P>
when did the prehistoric period start and end
when did the prehistoric period start and end
c. 3.3 million years ago c. 5,300 years ago
c. 3.3 million years ago c. 5,300 years ago