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).
Answer:Sutherland's differential association theory.
Explanation: This is a micro and a learning theory. It states that individuals learn values, skills, attitudes, techniques that motivate them to commit criminal acts through association and interaction with others.
Answer: Parallax
Explanation: Parallax is usually an error which should be avoided when taking measurements. It is the observed difference in the apparent position of an object when viewed from different positions. Motion parallax is the change in the position of an object due to the viewer's movement. In motion parallax, the object distance to the observer's eye seems to affect the relative motion of the object. That is objects close by or near the observer's eye such as mile markers seems to rush or whiz past relative to the observer's direction while distant objects such as hills and mountain tops moves relatively slowly in the opposite direction.