Answer:
Try to do it less frequently
Explanation:
Answer:C
Explanation: Always have protected sex, you can catch aids or end up getting pregnant, if you are planning to have unprotected sex then have the person check if they have hiv as well as you, you are responsible as much as the other person and if you do go the hospital as soon as possible and ask to get tested.
Answer: B. a young athlete.
Explanation: A pathogen is not going to want to live in a healthy host they will want to be in a host who is more susceptible to diseases. Like an older person, a smoker, or a sick person, etc. So, it would be LEAST effective if a host lived in a young athlete.
Hope this helps.