Answer:
A) Relevant cost of production to the economy.
Explanation:
What the question is describing is what in economics is known as an externality. An externality is a consquence of the economic activity of a firm or a person, that affects in some negative way other people, and that is not paid for by the person of firm that causes it.
Pollution is the most well-known example of an externality. For example, when a coal plant contaminates the air, the people who live in the area breathe a low quality air and eventually get sick more often, spend money on the a doctor, and these medical costs are not paid by said coal plant.
In the question, the company is destroying the fish population of the river, and these loss of life damages the whole ecosystem of the area, which produces negative effects for all living organisms, including humans. Whether the company pays or not for the negative effects is only helpful if the fines really amount to the cost of the deterioration of the ecosystem (which usually do not).
A. I belive the cereal might(or might not) be the cause of lower cancer rate.
Answer:
Media violence effect
Explanation:
The "media violence effect" is a psychological phenomenon that has been linked to exposure of people to violent media. In modern times, media is everywhere, and it often features violence. This is true of news, but it is also true of movies, TV shows and video games. The idea behind this effect is that people who are constantly exposed to violence in media can become accustomed to it. Moreover, it is possible that these people are more likely to commit violent acts themselves.