Explanation:
C) 60 the human body is 60 percent of body weight 
 
        
                    
             
        
        
        
Answer: This is an example of <em>tolerance. </em>
Explanation:
When a person has tolerance that means that they will need more of the substance to get them to same level as before. Many people grow an tolerance to certain prescription drugs, drugs, etc. A doctor can prescribe a new medicine or up dosages to help the patient not use more of the medication than prescribed. 
For Tayla, this means she will have to have more of the substance to achieve the level she had before. 
 
        
                    
             
        
        
        
If each have 12 including their selves that would be 13. 13 times 2 is 26 -2 is 24 if your including the parter then it would be 25 not including your self
        
                    
             
        
        
        
True. It is the presence of more than one disease.