one, and yes they do, cause theyre mammals and need to breathe
No
There are currently 88 known species of whales, dolphins, and porpoises that have blowholes, so there are potentially 88 blowholes in the world.
how many bones do narwhals have
1
Usually they have one Baleen whales have two blowholes. Toothed whales have only one.
2
none
1 or 2.
2
One with two nostrils.
One with two nostrils.
Yes all whale have blowholes because they are mammals.