AP Environmental Scienceeasymcq1 pt
Tertiary sewage treatment targets
A.nitrogen, phosphorus, and disinfection
B.only large debris
C.only dissolved organics
D.nothing — it is unnecessary
Explanation
Core Concept
The final polish removes the nutrients that cause eutrophication and kills remaining pathogens — the expensive but complete stage.
Correct Answer
Anitrogen, phosphorus, and disinfection
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