Millstones
Millstones or mill stones are stones used in gristmills, for grinding wheat or other grains.
Answer:
The reaction of the second chimpanzee after he watches that the first one found food reward inside a box is called d) "observational learning"
Explanation:
Observational learning is a form of social learning in which a subject observed a result after another subject presented a singular behavior which granted him a reward the observing individual would like to get.
In humans, this type of learning happens with almost no direct reinforcement, but with a social indirect reward after watching someone the observing individual considers as a "model" performing the behavior to imitate it. It is a very common way children learn and how they start to interact with the world.
What is the meaning of this sentence??????????
Answer:
Franklin Roosevelt
Explanation: I hope this helps!