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".
<span>B.A quotation uses the original author's words, but a paraphrase uses the essay writer's words.
A quotations is word-from-word 100% what the author said but paraphrasing is putting it in your own words.</span>
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