Discuss the factors that cause or influence teenagers to engage in alcohol, drugs, unprotected sex and unsafe driving

Probably cause of peer pressure , partner or social media pressure, bordem ,desire to be seen as a normal person, loss of love 

There are many possible answers depending on that person, but I think that the main answer would have to be peer pressure. As you know everyone likes to look good in front of other people and will do some strange things to do it, even if it means that they are putting themselves or someone else's life in danger. 

Ibelieve the answer is c.

Olfactory epithelium i believe