Answer:
I am going to say tattoo with shared needles. Because HIV needs to have some sort of fluid that much go in you for you to catch it.
For example, HIV is transmitted through semen (c/u/m and pre-c/u/m), vaginal fluid, blood, and "bottom" mucus.(I'm sorry for the TMI)
Answer:
DIFFUSION
Explanation:
is when molecules move from high to a low concentration also the rest of the traits you listed connect to DIFFUSION as well
Your weight will not increase because your metabolism is making you burn calories faster