When fish breath do they actually remove an oxygen molecule from H2O?

Subject: When fish breath do they actually remove an oxygen molecule from H2O?

Date: Sun Feb 11 17:54:10 2001
Posted by Tom
Grade level: nonaligned School: No school entered.
City: Ottawa State/Province: ontario Country: Canada
Area of science: Chemistry
ID: 981932050.Ch

Message:


Does water contain air in it?  Is this what fish require to live?  If you 
leave a cup of water out long enough will all the air escape the water?

Re: When fish breath do they actually remove an oxygen molecule from H2O?

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