Answer:
"Elasticity is involved whenever atoms vibrate. An example is the movement of sound waves."
Explanation:
Hope this helped :)
Answer:
I can agree with that. There's no point in trying to contradict something that's 100% true
Explanation:
Among the choices, option B. Hasn't, is a singular contraction. "Hasn't" is the shortened word for "has not". The rest of the choices are plural contractions: Don't from do not, Haven't from have not, and Weren't from were not.
The answer to your question is A