B. An analytical paper
Correct if I'm wrong :)
Answer:
C) 
Explanation:
This is what a gene looks like.
I am joyous to assist you anytime.
* INCORRECT SUBJECT
Answer:
C; a piece of writing that tries to convince readers to accept a particular viewpoint or to take a certain action
Explanation:
Theres no explanation, but I hope this helps!!!
The answer is the first one, you must always cite your sources, even if you have not directly quoted them. It also adds credibility to your work (this is not the only reason, it is merely an incentive)
An encyclopaedia would be found in the d. reference section of a library.