Answer:
"Elasticity is involved whenever atoms vibrate. An example is the movement of sound waves."
Explanation: 
Hope this helped :)
 
        
             
        
        
        
Answer:
where are the answer choices? 
 
        
             
        
        
        
Answer:
Explanation: Different between The ninny and the governess The Ninny" by Anton ... by Anton Chekhov is very short story and doesn't have much detail.
 
        
             
        
        
        
I believe it is number 3 as it states that fire has been useful in many ways. The others are saying fire has been useful for specific things. The main idea should cover it all.
I hope this helps! Branliest?