Multiple Choice
Tertiary sewage treatment is primarily focused on
A) reducing the Biochemical Oxygen Demand (BOD)
B) removing grit and other solid particles
C) disinfection to destroy disease-producing organisms
D) none of these
Correct Answer:

Verified
Correct Answer:
Verified
Q21: The "river that burned" was the<br>A)Cuyahoga River<br>B)Mississippi
Q22: The coastal zones of the earth's oceans
Q23: Primary sewage treatment is focused on<br>A)reducing the
Q24: Rapid eutrophication of a lake or stream,
Q25: Of the ions found in water, the
Q27: Aerobes are forms of life which<br>A)can live
Q28: In a decomposition zone of water,<br>A)the DO
Q29: Salinity (sodium chloride content) of inland natural
Q30: From a global perspective, the largest contamination
Q31: Discharge of one or more water pollutants