Here are the answers for your questions:
Question 1:
A) Which Nazi-era policy identified the need for greater living space for Germans in Europe as a goal of Aryan superiority?
Answer: lebensraum
Question 2:
A) Which policy was supported by the Nuremberg Laws?
Answer: The Nuremberg Laws forbade intermarriage between Jews and Germans.
Question 3:
A) Which statement best describes the role of scientific racism in Nazi persecution?
Answer: Scientific racism was used to construct a theoretically superior Aryan race and to justify racism against other supposedly inferior races.
Question 4:
A) What group of people were involuntary euthanized in a program that was publicly advertised as a cost-saving measure for the German people?
Answer: people with disabilities
Question 5:
A) Which of the following identifies atrocities committed by the Soviet Union that targeted Ukrainians?
Answer: Holodomor
Let me know if you need further assistance!