Answer:
A backdrop is important because they create a specific visual scene behind the subject of the photo. Props are important because they add character and interest to a photo. You can make a backdrop out of many things. Two materials are: seamless paper, vinyl.
 
        
                    
             
        
        
        
So the viewer knows what the subject is
        
                    
             
        
        
        
I think it’s a bc it just makes sense
        
                    
             
        
        
        
Db to Eb is a whole step.