Final answer:
The youth organization known for serving at-risk populations, such as those in higher crime or low-income areas, is D. Boys and Girls Clubs of America, which specifically targets and caters to the needs of these children and teens.
Step-by-step explanation:
The youth organization that serves many individuals from at-risk populations, such as children and teens living in higher crime areas or in low-income families, is D. Boys and Girls Clubs of America. This organization is known for reaching out to youth who may face a variety of challenges and providing a safe space, mentorship, and developmental programs. Unlike options A, B, and C (4-H, Girl Scouts, and Junior Achievement), which also contribute significantly to youth development, Boys and Girls Clubs of America specifically targets at-risk youth and is renowned for its inclusive programs catering to children and teens in underprivileged communities.In conclusion, while all the listed organizations are formal and serve the youth population in various capacities, the Boys and Girls Clubs of America is specifically focused on at-risk populations, offering programs that support these individuals in developing their potential and improving their life outcomes.