What source of energy is mainly used in light, aerobic activity_____________________?
Correct answer: B. Fat
- A. Carbohydrate
- B. Fat
- C. Protein
- D. All of the above
Explanation
During light, aerobic activity, the body relies proportionally more on fat oxidation because the exercise intensity allows sufficient oxygen and time for this slower energy pathway. Carbohydrate still contributes, but it becomes more dominant as intensity rises.
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