Buying and selling things is based on supply and demand. Supply is the amount of goods and services there are to buy. Demand is how many people want to buy those goods and service. Supply can be big, small, or in between. Demand is high when people want to buy something and low when people don't want to buy it.
We require the some more information regarding the very specific novel( what ever the genre may be). As, there should be a given paragraph or some phrases that are required to add more value to the given answer which is desired by the student in a given manner. As each of the plot relation to the possible theme of the unknown novel will be easy to be evaluated.
The patient doesn't have to isolate himself for 6 weeks, after 2 weeks of antitubercular therapy, he is no longer contagious. He just needs to continue taking his drug for up to a year and also not go though stress as it might make it relapse back.