ichthyology mpayton 4 NH3 + 7 O2  =  4 NO2¯ + 6 H2O + energy 2 NO2¯ + O2  =  2 NO3¯ + energy 020216 ... randomly recent e=m*(c*c) or is it e=(m*c)*(m*c)? (I know -thats physics not chemistry) ! 040130 ... Punditzy There's something fishy going on here.... 060901 what's it to you? who go blather from