The following factors affect teenage suicide:
a. alcohol and drug use
c. family relations
b. age and gender
d. all of the above

All of the above.

Explanation:

S.uicide may be defined as the act of killing themselves and the teenage s.uicide occurs when the individual below age 21 ends their own life. The individual is unable to control the  situation and may either suffer from the mental problem.

Teenage can do s.uicide as they are drug and alcohol addictive. The drug addicted individual under any pressure perform the act of s.uicide. The tension in the family relations may depress the individual and kill his own life. The individual gets more affected at the teenage and the s.uicide cases is more in the teenage.

Thus, the correct answer is option (9).

hpv is the answer