Answer:
33 minutes
Explanation:
The principle of progression suggests that overload must be increased using frequency, intensity, time and type, when your present routine of exercise is no more felt by your body. Hence since Sally is jogging three times per week for 30 minutes, she could either increase it to jogging same 3 times a week, but instead increase her time by a factor of three to 33 minutes.
Hot food should never reach a temperature of below 135 degrees F. this is for safety, and its important to keep this in mind
Social like/ social change
B is your answer
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