Answer:
a. FI3
Explanation:
Fixed Interval is a type of reinforcement schedules, which is used to reinforce targeted behavior in individuals. In this case teacher reinforces an average of every third correct response.
The answer is a recount letter c.
The cause that led to the US involvement in WW2 is the Attack of Pearl Harbor by the Japanese<span />
Answer: The United Nations was created to promote international cooperation.