Answer:
The children are experiencing natural reinforcement.
Explanation:
Sandra's children are very successful in school and that is a stated natural reinforcer.
Natural reinforces occur as a result of their behavior without involving others expressing their approval of their behavior.
Sandra is trying to foster this natural reinforcement with positive social reinforcement, "but she does not always remember".
Messengers delivered letters because they had No Postal system
D. The NCVS gives the victim's perspective.
The correct answer is B. a group of drug users.
A subculture refers to a group of people who differ in one way or another from the rest of the society - it may or may not be a bad thing per se. However, if that subculture is deviant (which means atypical, nonstandard), then there is a problem.
A deviant subculture means that people who belong to it have values that are not accepted by the rest of the society - obviously, drug users are considered detrimental to the society which is why they are the deviant ones here, rather than students, professionals, or accountants.
The conservative welfare state, also known as the Christian welfare state, highlights a government regime with the least centralized system of governing. The conservative welfare state believes that decision-making should be directed by local levels rather than a centralized form of governing.