to reduce lake pollution Utilitydesignedto reduce lake pollution Utility
to an increase in the amount of bacteria and decreases the usefulness of the manureleadsto an increase in the amount of bacteria and decreases the usefulness of the manure
algae that fed the fish that they farmed to eat and salecreatedalgae that fed the fish that they farmed to eat and sale
E.coli and Salmonella contamination in drinking watercan causeE.coli and Salmonella contamination in drinking water
to as a fuel for automobilesdesignedto as a fuel for automobiles
to bacteria and increased phosphorus levelsleadsto bacteria and increased phosphorus levels