The body can use glycogen as an energy source when aerobic exercise lasts
a. more than 90 minutes.
b. between 50 and 80 minutes.
c. between 30 and 60 minutes.
d. less than 20 minutes.

What can happen to your body if continually eat the good food choice from your restaurant? did this project/research change your opinion of what you will order at your fast food restaurant? explain why or why not