Which of the following is true regarding water metabolism during exercise? a. In cold weather, the need for water falls dramatically because the body does not sweat.b. The maximum loss of fluid per hour of exercise is about 0.5 liters.c. In hot weather, sweat losses can exceed the capacity of the GI tract to absorb water, resulting in some degree of dehydration.d. Water loss of greater than 1 percent can decrease the capacity to do muscular work.