which of these is an example of expository writing

Answer:
C. an editorial in your local newspaper on why the city needs a new park
Answer:
B. Guidelines for keeping your campsite clean and sanitary.
Explanation:
Expository writing is written with the intention of informing the reader. This includes textbooks, news stories, technical instructions, and business writing, among other sorts of factual writing.
Answer B is a set of steps, or instructions on how to keep a campsite clean and sanitary, it informs the reader.