When they compare they can see the difference and similarities to get to the end result
        
             
        
        
        
<span>C. Frogs will have brain damage if exposed to both brown sugar and regular sugar.</span>
        
             
        
        
        
The salmon will not starve as its prey increased.
The smelt is not the predator of the alewife.
The answer is D.
 
        
             
        
        
        
Posthypnotic suggestion is mainly used to prevent pain due to a hypnotization or something of a kind.