Answer:
The correct answer is <u>conducting a controlled experiment.</u>
Answer: Circuit training builds your aerobic, or cardiovascular, endurance, too! “Your cardiorespiratory system has to work harder to keep up with the relentless demand for energy from your working muscles as you perform back-to-back exercises,” he says.
Explanation:
<span>What type of milk and milk products should be included in a healthy diet?
c. fat-free or low-fat
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