air, through diffusion of the dissolved oxygen in the water (however, they can survive anaerobically for some time as well)
They breathe through breathing tubes that will stick out of the water to get oxygen from the air.
air
Otters can't breathe under water. They're mammals, they breathe air, with lungs. When they dive, they hold their breath.
They use a blow hole to breathe in/out air when the surface the water.
Dolphins are mammals. They breathe air with lungs, pretty much just like you and I. They can't breathe water. When they dive they hold their breath.
Betta fish breathe air....yes... that's right... they breathe air. They breathe air because they have an organ by their gills that is called the Labyrinth's Organ which allows them to breathe air. They breathe air by coming up to the surface of the water. Then they gather air in their mouths and hold their breath underwater.
That is where it breathe in water and if you blew air into its gill you would drown it in air
They go to the surface of the water and breathe the air.
What we breathe is air, and oxygen is just 20% of the air. Oxygen does not contain water, it is an element and it contains only itself. However, air does contain some water vapor.
no. they live in water
The air we breathe out contains a lot of stuff and the list would be exhaustive, but the main components in the air we breathe out are nitrogen, oxygen, carbon dioxide, and water vapor.
No. Sharks are fish, they breathe water through their gills.