Answer: c. Ask him to talk to people twice a day.
Sociability refers to the ability a person has to "be sociable," or to interact well with other people. People who lack this skill are often called "introverts." Sociability is a very valued skill among humans as we are a species that relies heavily on cooperation among members of a group. A person can improve his or her sociable skills by trying to interact with others frequently and in different settings.
There is no constitutional right to sell an Organ.
Even though constitution admit that you had the full right for full freedom to do whatever you want to your body, selling an organ is strictly illegal because it may create a market that could endanger many of human's life if it's left handled by the private sectors who constantly seek ways to cut expenses.
An idea that is stated directly in the text
As has been the case historically, the most densely populated parts of the United States are east of the Mississippi River. Rings of decreasing population density radiate out from the major urban centers of New York, Philadelphia, and Washington along the East Coast.
