The authors argument is that volunteering helps many people, not just those being directly benefited in visible ways. The author uses statistics from a study to support his/her argument.
So take this^ and add lots of info and textual support to create at least 8-10 sentences.
It mean he used fact and knowledge or scientific studies to back up the writing
Answer:
metaphor
Explanation:
i don't remember about that topic
A seems to be the best answer but i could be wrong