You mean <em>"Why do [some] </em><em>people</em><em> cheat in relationships?"</em>
Well an analysis revealed eight key reasons: anger, self-esteem, lack of love, low commitment, need for variety, neglect, sexual desire, and situation or circumstance.
<em>Or the world is and humans are just terrible LoL</em>
 
        
                    
             
        
        
        
Go ahead, I believe in you
        
                    
             
        
        
        
Answer: Part A = Net A
Part B = AB = 3in, BC = 5, CD= 7.2
Part C = 12
Explanation:
 
        
             
        
        
        
The first one is B flat major , and the second one is f sharp minor