Respuesta :
Answer:
the "quick energy" sources are used up, so like sugar/carbs
Explanation:
Answer:
Oxygen
Explanation:
In order for fat to be used as energy, oxygen must be present.
Answer:
the "quick energy" sources are used up, so like sugar/carbs
Explanation:
Answer:
Oxygen
Explanation:
In order for fat to be used as energy, oxygen must be present.