The answer is B explaination is because bears that hibernate is an example of structural adaptations because they have to adapt to the new structures for their new habitat in order to hibernate
Autistic children sometimes can't understand as well or as fast as "normal" children, so they may need more explanation or a simpler form of communication.
Water filters take in water and clean the water. Say some dirt fell in your pool. The water filter would take in the dirty water and clean it and come out with fresh clean water!
There are quiet a few other names for the Roaring Twenties. They are <u>Age of the Red-Hot Mamas</u>, <u>Flapper Era</u>, <u>Jazz Age</u>, and<u> Mad Decade.</u>
