It would produce a lower pitch
        
             
        
        
        
Answer:
Gun violence across the U.S. (problems associated with guns
)
Explanation:
The National School Walkout was a national protest led by students in response to the Marjory Stoneman Douglas mass shooting on April 20, 2018.
 
        
                    
             
        
        
        
they involve fundamental concepts that are unavoidable by the thoughtful person.