March 3rd, 2010, 03:11 AM
say that fungi and bacteria from the sewage is dumped on a turbulent stream of river. the nitrates suddenly decreases, increases and then decreases again. what is happening??
do fungi and bacteria need nitrates for survival? and do normal water in sea, river, lakes contain levels of nitrates?? (despite the fact there are plant life under water)
thank you in advance~
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