Answer:
Beat
Explanation:
everyone have to play on beat. One off note and the whole thing is ruined. 
 
        
                    
             
        
        
        
Answer: T
Explanation:
This is the true statement because of the definition of the glossary.
A glossary is also known as a vocabulary or clavis and with his alphabetical list of terms, a glossary is showing the readers definitions of those terms from the alphabetical list. 
A glossary can be found at the end of the book or some list. 
 
        
                    
             
        
        
        
Answer: People rarely trust a new technology
Explanation:
They have not trusted this new technology because at first, it was a weird box with no light and people were using it to take pictures. That was scary to other people. Another problem was that those pictures who were taken at some point lost their colors and turned black so the others were not sure about this kind of new technology at first.