A. <span> instructors .
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I know I'm late but hope I helped:P
Answer:
b,c, and D also sorry if I get you this wrong Neevah my friend :)
Elie Wiesel wrote the book "Night" as a memoir of his experiences as a Jew during the Holocaust. He calls himself a "messenger of the dead among the living" through his literary witness.
What best describes the key discovery of research in efforts to control diseases?
Scientists found out which genes to monitor to find signs of danger.