When double bonds occur they are almost always cis. If there is more than double bond, they occur at three-carbon intervals, e.g., -C=C-C-C=C-. This is called the divinylmethane pattern.
        
             
        
        
        
Paths of damage up to 50 miles long
        
                    
             
        
        
        
C. Jim only
This is because comparing contrasts and contradictions is an English term rather than a Scientific term.
 
        
                    
             
        
        
        
Answer:
a help break down complex molecule 
 
        
             
        
        
        
Answer:
C. Sugar-phosphate groups