B because when they make tools they make multiple.
They were suffering droughts
Answer:
B.F Skinner
Explanation:
Ope-rant conditioning is the process of reward and punishment. This process was developed by B.F Skinner. He was the father of ope-rant conditioning and his work was based on Thorndi-ke law of effect. According to the law of effect, the pleasant behavior affected by the consequences and repeated many times whereas the unpleasant behavior is less likely to be repeated by the stimulus. B.F Skinner introduced the term reinforcement that follows the law of effect.
The ope-rant conditioning is being used in educational settings as well. Thus the model of ope-rant conditioning was based on shaping the child's behavior through reinforcement of random act and that was created by B.F Skinner.
Answer:
Persia's standing army was an important factor in Persia's rapid growth because of the elite soldiers within the standing army. They were known as the "Immortals" and tasked to maintain order from within and the outside.
Explanation:
Um... isn't that the answer? you just put it in the question. it's not a question.
