Which detail helps support the central idea of
both Section 2 and Section 3?

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!!

idkexplanation:

make sure you add the 455 plus 468 you can use a calculator to find the answer its 455 plus 458 of textbook