An important source of energy for muscles during times of rest and low-intensity exercise is a. protein. b. vitamins. c. fat. d. water.

Respuesta :

Answer:The correct answer is c. fat

Explanation:

During rest and at times of normal activities that is low intensity exercise, fats provide 80 - 90% of energy, carbohydrates provide 5 - 18% and protiens provide 2 - 5%.