Answer:
D) Brain waves are very active while people are dreaming.
Explanation:
Section 2 says that the brain is changing stuff in your body while you are sleeping.
Section 3 says that your brain processes information while you are sleeping.
These two sections are saying that the brain is active whil you are dreaming.
Hope this helps!!
Answer: The authon most likely added that to the paragraph to give details about racism and or how it was for blacks to attend school when racism was a key probelm.
Explanation:
