Respuesta :
I Believe is it B. the reason is simple because of common sense. You got to know how much you sweat to know how much to drink.
The correct answer is Sweat rate.
The sweat rate can be defined as the amount of fluid lost from the body during a workout session. This helps an individual to know the amount of water needed by the body during workout. This helps to hydrate the body from the loss of water which is caused during a workout session.