If you have a rude or inappropriate personality that could make people not wan to talk to you. if you use an open personality and like to talk stuff out you seem more approachable. <span />
Your answer to how often is the birth control shot administered should be every 3 months
Exposure to radiation is always something that would definitely impact either your fertility or just straight up give you some crazy mutations.
Ann needs to be using condoms and avoiding oral sex. STDS are transmitted through body fluids.
I am assuming you meant HIV. The answer is A, apes passing the disease to hunters