Secondary sewage treatment is focused on
A) disinfection to destroy disease-producing (pathogenic) organisms
B) removing grit and other solid particles
C) reducing the Biochemical Oxygen Demand (BOD)
D) all of these
Correct Answer:
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Q16: Mercury poisoning can occur from consuming fish
Q17: Of the ions found in water, the
Q18: Primary sewage treatment is focused on
A)reducing the
Q19: Rapid eutrophication of a lake or stream,
Q20: Salinity (sodium chloride content) of inland natural
Q22: Sediment (soil particles) in natural waters can
A)
Q23: Tertiary sewage treatment is primarily focused on
A)reducing
Q24: The amount of oxygen required to decompose
Q25: The coastal zones of the earth's oceans
Q26: The rapid decrease of dissolved oxygen in
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