Answer: Option(a) is correct option
Explanation:
Normative statements are the statements that include value that is used for describing desirability and undesirability of situation.It is based on further requirements, need and perspective.
According to the question, statement that provide description about world should be is a normative statement as it describes the possible requirements for world .
Other options are incorrect because descriptive statement is based on objective and facts. Economist hired by government or in scientific field is not described through world description. Thus, the correct option is option(a).
The statement above is talking about the Drive Reduction Theory. This theory, proposed by Clark Hull in 1943, talks about a certain drive that develops when a disturbance occurs in an individual's homeostasis or simply put, when someone has physical needs that need to be met.
Grizzly bears live in Forrest's they will eat just about anything. They will most likely live in a cave or den.
The teacher gives a link so you can watch the video again. I know of Jared Diamond from his books. I have not seen this video before & would need to watch it too in order to help you.