Answer:
if a and b are your only choices, your answer is a.
Explanation:
the second choice doesnt say much, or give you a lead to find out the writer's purpose. it merely just states that someone had a key. the first choice includes the word mystery, and a further explanation of thought. That gives you a lead.
Neatness when working with any potential employer reveals to them that you are well organized.
Answer:I think it is dialogue that show's background information
Explanation:
If it is a narrator talking then its first person if not its third person
Answer:
a person who introduces new methods, ideas, or products
