Excuse the answer of my friend there...
Yes. Dolphins do in fact have blow holes.
They are considered aquatic mammals, and can not breathe under water, so they go to the surface to inhale oxygen or to exhale excess water and carbon.
Yes all whale have blowholes because they are mammals.
There are currently 88 known species of whales, dolphins, and porpoises that have blowholes, so there are potentially 88 blowholes in the world.
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.
they dolphines enviorment changed because the dolphines ate pie and because of global warming!
Usually they have one Baleen whales have two blowholes. Toothed whales have only one.
Chuck.e. Cheeses
inAntartica
Watery
dolphines
No
no
Dolphines are Mammals.