A dash is mainly used for separating parts of sentences; it is alike a comma and parenthesis. A dash shows an interruption in the sentence. A hyphen is used to join words, divide words at the end of a sentence, and for words that are to be continued (suffixes, prefixes, etc).
Answer: it’s a clause dependent
Explanation:
The purpose is to inform the reader in great detail about a specific topic.
A. Never use words like I, I’ll, we or you in an essay unless you are asked to write in the first person.