Popular music is said to have the widest audience and is believed to be the music of the Middle Class (this is the correct answer); the Upper class would listen to other kinds of music, such as Jazz and very specific kinds, while the Lower Class is said to listen to "folk music" -althought this might be changing, just like the definition of what is popular music is changing all the time.
Before Confucius' teachings, the people who could hold government offices were the sons of important people. Confucius believed that society should be based on a system of beliefs and values.
The National Guard Is The Correct Answer
Answer:
The answer is D. Cleaning your room to avoid your roommate's nagging, is an example of a negative reinforcer.
Explanation:
In operant conditioning there are two strategies to modify behavior, through reinforcement and through punishment. Reinforcement is targeted to repeat a wanted action or behavior and punishment is used when a certain behavior wants to be eliminated; there are two types of reinforcers, positive and negative, a positive reinforcer is a pleasant stimulus that is given when the desired behavior takes place, a negative reinforcer, however, is taking away or avoiding an unpleasant stimulus as a reward when the desired behavior takes place.
In this case, you clean your room to avoid an unpleasant stimulus, that is your roommate's nagging, therefore, it is a negative reinforcer, that can take you to repeat the desired behavior, that is, cleaning your room.
Yea i think its 3 too because in science i never heard them talk about Ancient Greece