Exercise: Microbes In Aquatic Environment

Questions for: Microbes In Aquatic Environment

Removal of solids is generally considered as a
A:
Primary treatment
B:
Secondary treatment
C:
Tertiary treatment
D:
None of these
Answer: A
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The Redfield ratio is an index of concentration of
A:
carbon, hydrogen and oxygen
B:
nitrogen, potassium and iron
C:
carbon, nitrogen and phosphorous
D:
carbon, phosphorous and sulfur
Answer: C
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