Respuesta :
The variable would she be increasing is time if Terri were holding a stretch for 25 seconds and increased to 30 seconds. The answer is C.
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Answer:
The answer is b) intensity
Explanation:
The intensity of an exercise has to do with the speed at which physical activity is performed, or the magnitude of the effort needed to perform a physical exercise. The characteristics of the intensity form one of the most important aspects in the physical training load. Degree of effort that requires an exercise in each unit of action. By increasing the time from 25 to 30 seconds you would be working a little harder on the exercises, therefore you would be increasing the intensity of physical activity
