1. C:  she would not go to the choral concert.
Her not going to the concert caused her to fail the course and not be allowed to re-take it. The F and the inability to retake the course would be the effect. 
2. False
Many events can have more than one cause and more than one effect. Effects, especially, can be high in number because one cause can set off a chain of events that affect a lot of different people. 
        
             
        
        
        
I’m gonna have to say yes and jessica shouldn’t of killed robert
        
                    
             
        
        
        
<span>It's an expository.. </span>
        
                    
             
        
        
        
Answer:
And I felt like that day really showed. 
Explanation:
I only had one I could fine but your not supposed to start with and, but. Stuff like that get it