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From: pete on 17 Jun 2010 02:59 Archimedes Plutonium wrote: > > Not really all that familar with carbonic acid. Club soda is a dilute carbonic acid solution that usually also has a little salt in it. Carbonic acid is a very weak acid which tends to decompose into carbon dioxide and water, in the presence of any other acid. > Then the next question is how much carbonic acidity begins to destroy > the oxygen > producing phytoplankton and algae? At what level of increased acidity > that we > make the oxygen producing plants of the ocean disappear? That is a good question, because the ocean definitely needs some, otherwise it has no carbon available for photosynthesis. > > I maybe wrong about the worst situation of a dead ocean would be the > loss of the > oxygen producers of the ocean algae, but sticking with that thought > and scenario > that the loss of the algae and thus loss of oxygen production is the > largest harm to > the land ecosystems. So let me stick with that bad scenario. > > I suspect the oxygen content of the land ecosystems, a measurement > that is not > done as often as it should be done. But from what I last read, the > land oxygen content > was 18%. In previous centuries it was 19% to 20%. But since Global > Warming > air pollution, the oxygen in the air is about 18%. It was 21% in the 1980's. I think it still is the same. -- pete |