It showed that direct rewards and punishments are not necessary for learning. its called modeling.
Answer:Spread is going to a new location without any cause.Migration is going to a new location to escape violence,find a better job and many more.
Answer: hello :)
An irrational fear of some object or specific situation is called <em>specfic phobias.</em>
~<u>rere</u>
The answer is A because their idea is survival of the fittest, the strong will survive while the weak will not progress.
The economic health of developing countries