The best reason a formal tone and language should be used in a professional electronic communication is because informal communications are more easily misinterpreted. The correct answer is A. 
        
             
        
        
        
Hi !
Answer:
B- Of the two products lines, which bring<u>s</u> us the most profits ?
Explanation:
a, c, and d have verbs in the 3rd person plural <em>(have, bring, have been bringing us) </em>......
The question is "Of the 2 products, which <em>(one) ..► 3 rd person singular</em>
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<em>☺☺☺</em>
 
        
                    
             
        
        
        
B) "African Americans have fought in every American war since the country was founded, and even before."
 
        
                    
             
        
        
        
People should read lord of the flies because it has an interesting and surprising plot. Also because it shows the darker side of humans in cynicism that isn't very popular nowadays, which offers a refreshing point of view. Also it encourages deep self reflection about your own dark side and how you would honestly feel in a situation that the boys were in.