Respuesta :
The correct answer for this question is C) decreased mass - less energy needed for movement - less carbohydrates required - more available ATP
Solution; Increased muscle mass in athletes will increase the number of mitochondria in body. Mitochondria provides energy to cells of our body so more mitochondria will results in more energy and due to large amount of energy there will be increased cellular respiration and less fatigue, thus athletic performance will be improved.