No. The comma isn’t necessary; therefore , it should be removed from the sentence.
Answer:
"People can change for the better".
Explanation:
The excerpt supporting the theme i. e. "people can change for the better" because in the story of "a reformation" written by o' Henry shows that a person who commits many crimes can change himself if he decided to change. People are able to change themselves for their beloved just like in the story of reformation in which a person named Jimmy Valentine changed himself for his beloved.
Answer:
Quantitative research is relevant to several discipline that involve seeing how much of a populace is inclined or not to specific things like Statistics. This kind of study is also relevant in Ecology when reviewing about the communities in different ecosystems.