Dr. Bernard can not understand why scolding his leves 100 psychology
students for disruption classroom
Behaviours malce them more unruly.
Explain Dr. Bernard's predicament in
terms of operant Conditioning principles.​

The answer should be a.

First this is not social studies(my friend rohanfighter can you he loves this

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.