Question

points

don't spam..................​

Answer 1

Answer:

to show their ideas

I.e. for hunting, for making tools

then they discuss with their group...

Answer 2

Humans actually painted on the walls just to show and describe those animals and other things they saw.

They didn't have any readymade colours like us, they used animal blood,and also of charcoal mixed. They used the paint brushes made up of horsehair.

Hope it gelps u mate..