I selected these two because of nutrients occurs when water discoloration. (Eutrophication) after Plankton Bloom When plankton die, they decompose the organic matter is depleted by oxygen, nitrate, sulfate and carbon dioxide will be reduced to N2, NH4 +, HS-, S2- and CH4 process. Denitrification And sulfate reducing the amount of oxygen causes a change in the area. Therefore, this analysis together.
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