According to the mypyramid plan, which foods should be the smallest portion of a teen’s diet?

Kallie wants to improve her tennis serve. she already practices every day the court is available, and her technique and energy output are outstanding. kallie should focus select one: a. frequency; performing more cardio-related workouts b. intensity; increasing the effort expended during her workout c. time; increasing the length of her workout d. type; performing a different activity to achieve her goal