Impossible to answer
one
To breathe.
Only one. The same as every whale or dolphin.
They sure do.
coronal holes
Yes, they do.
Whales have a blow hole so they could breath when they sufarce
Yes, black whales do have blow holes. They keep them closed when they are underwater.
Blow into it and cover the holes.
some can but most dont
Because they are whales and they need to breath.
Orca Whales have blow holes so when they have water or anything they swallowed they can blow it out. Kind Of like a burp. :)