<em>Laughter can play a helpful role in MANY things, especially medical treatment. The reason it plays such a helpful role is because it makes people feel more happy and tends to take someone's mind off of what is going on around them. Once laughter is applied during a medical treatment, it is done to make someone feel less worried about what could be going on around them or how the treatment may go. This is commonly used by surgeons and kemo-therapy doctors when a patient is worried about what may happen.</em>
<em>Hope this helps.</em>
<em>-Northstar</em>
Can you maybe attach the file to the question?
Answer:
A
Explanation:
Document in this sentence is not the verb, shows is the verb. Document in this context is most likely a written or printed document since one can not show "to record or make note" or "to support with citations or references."
An introduction comes at the beginning and introduces the subject. While a conclusion comes at the end and concludes the subject. I hope this helps.
The answer is growth of homeschool movement.
