Yes, it can, depending on the word. Prefixes, however, almost never change the root word. The most common changes of a root when adding suffixes are the removal of a final E that follows a consonant (e.g. diving), or the change of a Y to an I (e.g. silliness). 
        
                    
             
        
        
        
Thanks luv this really helps it says it’s incorrect
        
                    
             
        
        
        
Answer:
HIV/AIDS
A lack of knowledge about the issue
Explanation: Just did it on Edge
 
        
             
        
        
        
I would say C because it is a prediction of what is going to happen and the fakir is telling them
        
             
        
        
        
Answer:
Spectators were asked to help
Explanation:
The other possible answers imply that the firefighters had enough equipment