Answer:
This is an example of an experimental design.
Explanation:
Experimental design in research involves controlling the variables in order to prove the hypothesis. In an experimental design there must be an experimental group, that in this case is the group that received an herbal supplement, and a control group, that was only administered placebo. By having a control group, both groups can be measured and compared at the end of the experimental phase, to measure the influence of the independent variable.
Answer:
Alice Herz-Sommer was a British Pianist and teacher.She,her husband, Leopold Sommer, and their son, Raphael were sent from Prague to a Nazi camp for Jews in the Czech city of Terezin.
Her profession as a pianist contributed to her experiences during the Holocaust in that she was instructed to perform concerts in the Nazi concentration camp served to preserve the sanity and hope of both the performers and the audience.
The answer is C for that question
I believe the answer is D) passing laws because since they were slaves they would not have the right to have any laws passed or their opinion even heard