Final answer:
Peer pressure, genetics, and media influence are some instances that influence teen alcohol use.
Step-by-step explanation:
There are several instances that influence teen alcohol use. One of the main factors is peer pressure, as teens often feel the need to conform to their friends' behavior. Additionally, family history of alcohol abuse can play a role, as genetics can increase the likelihood of developing alcohol dependence. Another influencing factor is media influence, with advertisements and depictions of alcohol consumption in movies and music promoting its use.
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