Filtration to remove protozoa occurs in
A) tertiary sewage treatment.
B) secondary sewage treatment.
C) water treatment.
D) primary sewage treatment.
E) anaerobic sludge digestion.
Correct Answer:
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Q25: Bacteria can increase the Earthʹs temperature by
A)
Q26: Figure 27.1 Q26: Which of the following is mismatched? Q27: Which of the following do NOT fix Q29: Which of the following terms describes NO3- Q31: Zoogloea form flocculent masses in Q32: Aerobic respiration occurs in Q33: Which of the following is an assimilation Q34: In the ONPG and MUG test for Q35: Which of the following is NOT characteristic
A) N2
A) tertiary sewage
A) secondary sewage treatment.
B)
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