Keeping you warm is not a function of sweat.it is soppose to keep you cool when you start to heat up.
        
                    
             
        
        
        
Answer:
D) the sum of all physical properties of a substance
 
        
             
        
        
        
Saliva,unprotected intercourse,contact with infected blood (blood transfusion) 
and women with an unborn child.
        
             
        
        
        
This is true hope this helps