I've had this question before and the answer is D) 30 minutes per day, 5 days a week
There are four _______ in planning an exercise program.
Answer: Out of all the options that are presented above the one that completes the statement and makes it true is variables. Therefore: There are four variables in planning an exercise program. Frequency, mode, intensity, and duration.
I hope it helps, Regards.
Giving the person type a or type B or type O blood would introduce antibodies into the blood that the body wouldn't be able to control
