When earliest stone tools were found to exist?
A. 2.6 – 2.5 mya
B. 2.5 – 2.6 mya
C. 2.2 mya
D. 1.3 mya
Answer:A
When earliest stone tools were found to exist?
A. 2.6 – 2.5 mya B. 2.5 – 2.6 mya C. 2.2 mya D. 1.3 mya