The choices for the above question are:
a. eastern Europe.
b. northern Europe.
c. Africa.
d. Latin America.
U.S. Whites have shown the least amount of social distance towards people from Latin America. The answer to your question is D. I hope that this is the answer that you were looking for and it has helped you.
I think your answer is, B. Please correct me if im wrong.
Answer:
I would say it is the Variable-Ratio Schedule because she doesn't know when she will be visited but she wants to be ready anyways just in case.
Explanation: