The answer is letter C.
Drug craving become heightened whenever the user is exposed to any situation that triggers a memory of the drug use. Often times, people who undergo drug rehabilitation are taken away from their most common environment where drug abuse is prominent. This is the reason why many drug users who leave rehabilitation centers have the tendency to return to their old ways. Their exposure to the outside world triggers drug cravings and eventually the cycle keeps repeating itself.
Microorganisms such as bacteria, viruses, yeasts and molds can spoil food and may cause a risk to anyone's health. Microbes cause infectious diseases such as flu and measles. But you do have to remember that less than 1% of bacteria can invade our body (the host) and make us ill. So even if it is 1%, that's still 1% that can harm you.
Some examples of how microorganisms affect humans and how they can enter through your body:
Respiratory tract (mouth and nose): Influenza virus which causes the flu.
Gastrointestinal tract (mouth oral cavity): Vibrio cholerae which causes cholera.
Urogenital tract: Escherichia coli which causes cystitis.
Breaks in the skin surface: Clostridium tetani which causes tetanus.
Answer:
https://www.bbc.com/future/article/20160106-the-surprising-perks-of-being-easily-embarrassed
Because most women are uncomfortable especially young women
