The answer is <span>D. the most scientific diagram of the human body ever created.</span>
        
                    
             
        
        
        
Answer:
36 black keys
Explanation:
Total number of keys on a piano = 88
88-52=36
 
        
                    
             
        
        
        
Answer:
he did it in the year 1962...
 
        
                    
             
        
        
        
Answer:
A shape is a closed line with three or more sides 
Explanation: