Answer:
Water
Explanation: I think this is the answer if I am wrong please tell me thank you.
Since there isn't much prey during winter, the bears have to eat a lot of the remaining prey and then go into sleeping, so that they will not go through the whole winter without food.
Regeneration is the ability to gain something back again.
The electrons surrounding an atom are located in regions around the nucleus called “energy levels”. An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be. The first energy level is closest to the nucleus.
