The correct answer would be, hierarchical system.
Sabrina made effective use of hierarchical system.
Explanation:
When people arrange things physically or in their minds in an order from above to lower to lower to above, this is called as making hierarchical system.
Hierarchies are seen in organizations where there is a top management which is then goes down to managerial level, which further divides into supervisors and then employees of the company which represents the lowest in hierarchy.
Similarly hierarchical systems can be found anywhere. When Sabrina remembered the things she had to buy by remembering them from generalized top category to a lower more narrowed one, she was actually made an effective use of hierarchical system.
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The definition of genetic determinism is that your choices and your destiny is already made or chosen for you by your genes and that you only have the illusion of free will, but that in reality it is known what will happen based on your biology. Many ideas like eugenics and IQ heredity are connected to this.
The independent variable in the given experiment in testing the hypothesis is the pixie sticks as it could stand independently, without having to rely to another variable. The dependent variable is determining the reading speed of which this will be dependent on the independent variable in showing its effect or result.
Public affairs officers (PAO) are formed by the army personal, officers, and civilians who deal with the public relationship affairs and the media. For example, PAO write press releases and speeches for politicians (Option a) and establish relationships with members of the media (Option e). They also informe the superior officers about relevant news and are very important to protect classified information from leaking, you could say PAO are like the eyes and the ears of the government, because they see and hear news in order to pass it to their superiors.
Adolescent egocentrism. According D.Elkind adolescent egocentrism is when young people can not make a difference between their perceptions of what other people means about them and what others really think. Adolescents are mostly focused of themselves and them perceptions ( especially how they look and behave). Personal fable and imaginary audience are parts of adolescent egocentrism.