The Rivers

Posted May 27th, 2018 by Tony. Comments Off on The Rivers.

The rivers that cover acid lands, that is, without calcareous rocks, tend to be more acid than that they cover alkaline lands. In accordance with CETESB (1978, P. 213) ‘ ‘ The natural waters in general, have pH understanding between 4,0 and 9,0 e, most of the time are slightly alcalinas’ ‘. As observed in […]