Every afternoon before dylan leaves for debate practice, he eats a bag of pretzels and drinks a sports drink. in the evening after he finishes his homework, he has a snack of either gelato or fruit bars. what area does dylan need to strengthen, and how can he improve? a. physical activity; add daily planned exercise to his schedule b. healthy eating; replace junk food with healthier options c. stress management; practice deep-breathing techniques d. work habits; schedule more time for studying