1 every light in your household is parallel this is useful bc as one goes out not all do as they would in a series circuit 2 plastic and glass they are common bc it does not let electricity travel from one place to another outside of it
        
                    
             
        
        
        
Answer:
These regions are known as compressions and rarefactions respectively. The compressions are regions of high air pressure while the rarefactions are regions of low air pressure.
Explanation:
 
        
                    
             
        
        
        
Answer:
yes 
Explanation:
because it has the potential to move
 
        
             
        
        
        
Answer:
It gives our light which we need for probably everything.
Explanation:
 
        
                    
             
        
        
        
Im not so sure but it should be the
instantaneous speed