Question

Tertiary treatment of wastewater

a. removes pathogens
b. reduces sediment
c. reduces eutrophication
d. removes heavy metals
e. reduces the amount of sludge

Answer 1

C. Reduces eutrophication.

Tertiary treatment is the last process done to waste water before realising it in to the enviroment or use it, eutrophication is an exces of minerals and inorganics compuonds in water.