Answer:
D
Explanation: A quota is a limit the supply of a particular product in order to maintain a certain price level
<span>Stressed freedom and civil rights for all; leader of Jewish Enlightenment movement known as Haskalah; advocated for these freedoms and civil rights because European Jews had few, if any, legal rights; known for his toleration.</span>
A <u>double-blind experiment </u>allows researchers to identify the specific effects of the independent variable from the possible effects of the experimenter's and the participants' expectations about it.
<u>Explanation</u>:
The double-blind experiment is conducted to ensure that the results of the experiments are not biased. The double-blind study states that the person who is implementing the experiment and the person involved in the experiment are not aware of each other. So there will be no bias in the experimental treatment.
The reliability in the double-blind experiment is improved. Under this experiment unintentional tipping off the study participants and biasing of the evaluation results by the researchers can be avoided.
Answer: D. No, because the state owns and operates the metal plant.
Explanation:
The State owns and operates the plants and so is allowed to discriminate against non residents.
This principle was established by the United States Supreme Court in Reeves, Inc. v. Stake, 447 U.S. 429 (1980).
In the judgement, the Court held that South Dakota had a right to give it's residents preferential treatment in buying cement from a state owned plant.