Answer:
Welcome
Explanation: 
Because knowledge of math and science is necessary for understanding and advancing technology.May 23, 2021
 
        
                    
             
        
        
        
Answer:
The most unique feature of “The Ninth” was that Beethoven included chorus and vocal soloists in the final movement. He was the first major composer to do this in a symphony.
 
        
             
        
        
        
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