Answer: Weak tooth enamel. 
Explanation: Bulimia nervosa is a serious eating disorder that consists of eating large amounts of food and then purges to get rid of extra calories. As you might know, when you throw up, some acid in your stomach also goes out with the food. This stomach acid weakens your tooth enamel. 
 
        
             
        
        
        
The most common cause is depression. 
I hope this hellps you.
 
        
                    
             
        
        
        
<span>The question is asking us to picture the following scenario: "your attend a routine medical check up at a group practice before seeing a physician you are required to fill out paperwork that describes your medical history." One option is not a part of your medical history - this is the option that does not concern you, but your peers:
B: habits of your peers - here your peers would have some habits independent of your health history
Your health history includes your state of health and current and recent hospitalizations</span>
        
                    
             
        
        
        
Answer:
Notice that for all substances, the heat of vaporization is substantially higher than the heat of fusion. Much more energy is required to change the state from a liquid to a gas than from a solid to a liquid. This is because of the large separation of the particles in the gas state.
Explanation: