Answer:Nouns show people, places, or things, so they tell the reader about the specific things that were important during the time. What exactly each thing looked like is not as important as the thing itself.
Explanation:
The correct sentence is:
Each person’s brain develops and forms new connections, but it is not aware of these changes.
The antecedent of the pronoun "it" is "each person’s brain".
"They provide a framework that enables wider engagement in the whole political process. Through these political parties, anyone who is an American citizen is able to run for office, and anyone can vote and express their preference for any one party."
I believe the answer to your question is C.
The answers are they, he, and she