The phrase cultural lag alludes to the thought that culture takes
time to catch up with mechanical developments and innovative revolutions taking
place in a society, and that social issues and clashes are caused by this lag.
Thusly, cultural lag not only apply to this thought, but it identifies with
hypothesis and clarification.
They used there skills of grinding minerals and many other various colors,and they proboly used chizzle like tool that gose into a stone.This showed that the stone age people were capable of complex thoughts and actions