Question

WHY DO WHALES AND DOLPHINS COME TO THE SURFACE OF WATER

Answer 1

Answer:

Explanation:

Whales and dolphins use their lungs to breathe air also. That's one reasons why they come to the surface of the ocean. ... Blow holes are surrounded by muscles that keep the hole closed when the whale or dolphin is under water and open it when the animal is at the surface and needs to breathe

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Answer 2

Answer:

Whales and Dolphins keep coming up to the water surface because they don't have Gills like other fishes which helps them to take the oxygen dissolved in water. dolphins do not have gill like other fishes . so they come up to the water surface to give out the carbon dioxide. Whales and dolphins use their lungs to breathe air also. That's one reasons why they come to the surface of the ocean. ... Blow holes are surrounded by muscles that keep the hole closed when the whale or dolphin is under water and open it when the animal is at the surface and needs to breathe

Oye hope it helps mate