Final answer:
According to the National Youth Risk Survey, sedentary boys exercised the most and active girls exercised the least among adolescents in the US.
Step-by-step explanation:
According to the National Youth Risk Survey, sedentary boys exercised the most and active girls exercised the least among adolescents in the US.
The survey data showed that boys were more likely to engage in sedentary behaviors, such as watching TV or playing video games, while girls were more likely to participate in physical activity. This could be due to various factors, including social norms and personal preferences.
It's important to note that these findings are specific to the survey data and may not apply to every individual or region.