Trachea I think is the answer?
        
                    
             
        
        
        
Well the artist David Hockney believed that Johannes Vermer and other used these devices such as the camera obscura to help them achieve their perceptive in achievement 
 
        
             
        
        
        
Answer:
C
Explanation:
The notes of the chord are in the order lowest, highest, middle, highest.
 
        
                    
             
        
        
        
Powerpoint because it is very easy to use.