B.
Perspiration, or sweating, is the greatest source of fluid loss from the body.
This is very true, and it is almost like the fight-or-flight response, where your body gets the adrenaline rushing and that is when you hear about people being able to lift cars and jump from 6-story buildings. It is a natural instinct of survival that we all have inside of us. Hope this helps.
D
According to ncbi the most abundant mineral in the human body makes up about 1.5 to 2% of total body weight, I think that answers your question
The answer is B. A does not make sense because Jessica should encourage her friend not discourage her. C is also incorrect because when you often scold at someone about something they will probably do the exact opposite of what your telling them to do.
