Accidental invention of ancient people

To hunt animals one should be ----------

--------- is used to scare away the animals.

People changed their nomadic life to ------ life by agriculture.

The first stage of civilization,

Hunter --> ___________

There are two techniques used to make __________

People started living in ______ during the change of climate.

_______ are the things made and used by our ancestors.

_____ are the scholars who study about the Archaeological evidences.