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3 votes
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.

1 Answer

4 votes
The answer is C between 30 to 60 minutesĀ 
User Balu Sangem
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