i need answers asap.....pls.....
2006-10-04 10:30:52 · 8 answers · asked by Rune 1 in Science & Mathematics ➔ Chemistry
http://www.kwic.com/~pagodavista/schoolhouse/species/fish/fishgill.htm
Very good, easy to understand website, and yes, it is somewhat of a decomposition rxn.
2006-10-04 10:41:54 · answer #1 · answered by Aaronkun 3 · 0⤊ 0⤋
Oxygen in the water is usually disolved from the air on the surface. The more choppy the water, the more oxygen. That's why they use water-fall filtration systems in a lot of aquariums.
Additional oxygen is provided by the photosynthetic reaction in algae.
2006-10-04 17:34:50 · answer #2 · answered by Privratnik 5 · 1⤊ 0⤋
The fish's gills process water, breaking it down into hydrogen and oxygen, and the oxygen is absorbed into the bloodstream. Yes, it is a decomposition reaction.
2006-10-04 17:33:28 · answer #3 · answered by triviatm 6 · 0⤊ 1⤋
water has ability to absorpe oxygen gas so when we move or shake water some of atmosphere oxygen will dissolve in water and make the fishs able to have oxygen, fishs and has ability to utilize this dissolved oxygen, so no decomposition reaction here
2006-10-04 17:44:39 · answer #4 · answered by source_of_love_69 3 · 0⤊ 0⤋
Oxygen comes from the plants in the water. The plants take in CO2 and 'breathe' out O2
2006-10-04 17:32:56 · answer #5 · answered by JennyAnn 4 · 0⤊ 0⤋
Moving water pushes oxygen into the water.
2006-10-04 17:36:51 · answer #6 · answered by OOO! I know! I know! 5 · 0⤊ 0⤋
in fish tanks... fish get it from the bubbles that are blown into the fish tank by the tubes...
for the fish in the ocean.. they have waves and movement that push the water into the fish's gills and give them oxygen...
2006-10-04 17:33:31 · answer #7 · answered by sellatieeat 6 · 0⤊ 0⤋
oxygen comes from the water. H2O
2006-10-04 17:33:01 · answer #8 · answered by Sarah 3 · 0⤊ 1⤋