Kim carlton is a new fifth grade teacher. she is surprised to learn that her school has reduced the amount of recess for all students and eliminated time for physical education in the fifth grade curriculum. kim believes that exercise and recess enhance academic performance. based on national trends, why is her school (like many other schools in the u. s.) most likely reducing recess and physical education? a. to avoid the cost of hiring teachers for physical education b. to reduce risks of accidents on the playground and in physical education classes c. to reduce teacher responsibilities for student behavior on the playground and in physical education activities d. to increase academic time in the classroom