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Sharks have a very powerful sense of smell. This is what it uses it's nose for.

Also, evolutionarily, it will have split off from other creatures that used noses to breath (or vice versa) and has adapted over time to no longer breath through it.

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13y ago
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14y ago

They don't ever go up for air. They do so either while chasing something that jumps in an attempt to escape, or to grab something outside the water they think is food.

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8y ago

Sharks do not need air, they are marine animals.

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11y ago

Great White Sharks have gills for the same reason that any other fish has gills, which is to extract oxygen from the water in which they are swimming.

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10y ago

to warn do people

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Q: Why does a shark have a nose when it breathes through gills?
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