General Question

waterskier2007's avatar

What oxygen in the water do fish use?

Asked by waterskier2007 (2050points) April 7th, 2009 from iPhone

Obviously for phase equilibrium some oxygen is gas and some is liquid. The question is, do fish use the gas or liquid?

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7 Answers

A_Beaverhausen's avatar

“Oxygen gets into water by diffusion from the surrounding air, by aeration (rapid movement), and as a waste product of photosynthesis.”

squirbel's avatar

Gas. Liquid oxygen literally freezes things it touches.

El_Cadejo's avatar

Fun fact. Fish can be drowned

Harp's avatar

Gills extract dissolved oxygen from water. It’s technically not a gas at that point because it doesn’t display the physical properties of a gas. In its dissolved form, individual oxygen molecules are trapped and isolated between water molecules. An isolated molecule can’t be said to have any particular physical state.

steve6's avatar

Dissolved oxygen (d. o.)

RocketGuy's avatar

Kind of like sugar dissolved in water – neither solid nor liquid.

NaturalMineralWater's avatar

Fish don’t breathe oxygen.. they breathe cheese spray.. duh

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