Answer:
nothing must be sent.
Explanation:
I is optional to write but is sounds better when it is not written
An informative essay is a form of writing that teaches the reader about a topic in an unbiased way. Normally, this type of essay will include an introduction, some paragraphs of the body, and a conclusion. The body of the essay will generally contain facts that are well researched and come from reliable sources.
D an opinion expresses how someone feels about something while a fact can be proven