Yes
No.
as of i know the whole land of Hawaii is the volcano and its mouth is in the underground ...
yes. I have seen a school of them in hawaii
They usually exist on a hotspot. An example: Mauna Loa, Hawaii
Mountain, Valley and Coastal.
The islands were formed from erupting volcanoes.
No. They don't exist in real life.
Yes they exist in Hawaii.
No. Beavers are rodents.
BEAVERS
Beavers are brown