next question: When remembering you referencing things that you have what?
Options:
- memory cells
- learning about
- prior knowledge of
- brain cells
- nerve cells
reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Referencing means citing something that you know which is having prior knowledge. Only when you have prior knowledge, you can remember it and refrence. The answer is prior knowledge of.