Final answer:
Puberty is the period during which individuals become sexually mature. Consequences of early sexual activity include teen pregnancy, sexually transmitted diseases, and a decreased likelihood of finishing high school.
Step-by-step explanation:
Puberty is the period during which individuals become sexually mature. It is characterized by the development of primary and secondary sexual characteristics. The consequences of early sexual activity can include teen pregnancy, sexually transmitted diseases, and a decreased likelihood of finishing high school. These consequences are often associated with engaging in other unhealthy behaviors such as smoking and drinking alcohol.