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".
Here you go, hope this helps. sorry for the bad handwriting
Answer:Sindbad the Sailor, Sindbad also spelled Sinbad, hero of The Thousand and One Nights who recounts his adventures on seven voyages. He is not to be confused with Sindbad the Wise, hero of the frame story of the Seven Wise Masters.
Explanation: