Which TWO statements below are Central Ideas in the article?
a. Many atrocities were committed by the Nazis during the Holocaust and World War Il.
b. Human experimentation is necessary for the advancement of medicine, but it has not always
been practiced in a humane, ethical way.
c. Edward Jenner used human experimentation to develop the world's first vaccine.
Please choice the right answer, this ain’t a joke, I don’t want to fail