Final answer:
Expanding opportunities for adolescents to engage in community service is linked to increased civic engagement, improved mental health, and enhanced social skills, but not to higher rates of substance abuse.
Step-by-step explanation:
Expanding opportunities for adolescents to get involved in community service would be associated with various positive outcomes, but C. Higher rates of substance abuse is not one of them. Community service can lead to increased civic engagement as young individuals participate in the life of their communities, thereby improving conditions and quality of life for others. Engaging in community service can also contribute to improved mental health, as participating in meaningful activities can bring a sense of accomplishment and reduce stress. Lastly, community service enhances adolescents' social skills as they work with others towards a common goal. All these effects can empower youth, help develop skills, and contribute positively to society.