A resonator installed as part of your car or truck's exhaust system serves one main purpose — to resonate. It's sort of an echo chamber for your car's exhaust, preparing all of the loud noise coming from your engine for the muffler to silence it. ... The resonator doesn't just remove sound, it change
        
                    
             
        
        
        
Answer:
I would have to say dirt: grass
Explanation:
I think this not just because I don't know the answer its because you said page: book and they are close to each other so dirt: grass are close to each other.
 
        
             
        
        
        
One can see through a cactus fence, but it is hard to climb through.
Cactus plants are found at tourist beaches.
Cactus is sharp, which represents the pain the natives feel.