I believe that answer was Yet
Answer:
A) The discovery of HIV. They believe that the chimpanzee version of the immunodeficiency virus (called simian immunodeficiency virus, or SIV) most likely was transmitted to humans and mutated into HIV when humans hunted these chimpanzees for meat and came into contact with their infected blood.
Answer:
actin and myosin is the answer
Explanation:
hope it helps..
