Clustering is an important prewriting technique much like brainstorming and allows the writer to: (D) generate ideas and see connections between them. The trick is to write down whatever words related to a specific word or phrase comes to a writer's head. It is then key to draw associations between words to determine topic of an essay.
I'd say probably when the person you are contacting prefers communicating via call or text or another form of messaging. For almost anything professional or business related, it would be appropriate and acceptable to email.
A good way is citing your sources. Telling people where you got the info. (websites, magazines ect.)
Answer: Persuasive Essay
Explanation:
Also referred to as an opinionated essay because it is based on your opinion not to inform.