Because God created them that way.
The answer is 2 blowholes for whales.
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
All whales have a blow hole.
Whales and dolphins.
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
For threm to breathe and get oxygen.