Answer:
Flexibility plays a big roll in determining my grandmother's level of activity because an elderly person who doesn't exercise at all won't be flexible, and they would haave trouble walking and doing everyday tasks. Meanwhile, an elderly persson who does excercise daily would be much more physically healthy and fit, and still have full movement even at an old age.
over the counter medications would be a substance that may cause an addiction
I would say it is c because running taks away energy
