Because God created them that way.
All types of whales have blowholes because they need them to breathe. As we have noses, whales have blowholes. Porpoises and dolphins have blowholes as well.
no
Whales and dolphins.
All whales have a blow hole.
Yes all whale have blowholes because they are mammals.
Usually they have one Baleen whales have two blowholes. Toothed whales have only one.
They have blowholes.
No
2
2
There are currently 88 known species of whales, dolphins, and porpoises that have blowholes, so there are potentially 88 blowholes in the world.
For threm to breathe and get oxygen.