Answer:11 percent
Explanation: there is always a 11 percent possibilty that an half twin suffers eating disorders if the other suffers from anorexia nervosa.
 
        
             
        
        
        
Answer:
The remains of an organism that are preserved as a mold or cast in rock.
Explanation:
 
        
                    
             
        
        
        
Answer:
animals died and water was contaminated
Explanation:fish are meant to swim in water not oil 
 
        
             
        
        
        
D. population and nutrients