The approval, permission, or empowerment for someone or something to do something.

Answerauthentication is the process of confirming the correctness of the claimed identity;

If u know the answer, why’d u post it?

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.