Drinking water supplies are routinely tested for the presence of
A) Vibrio.
B) Cryptosporidium.
C) Giardia.
D) fecal viruses.
E) fecal coliforms.
Correct Answer:
Verified
Q17: Adding untreated sewage to a freshwater lake
Q18: NH3 → No2-
A) takes place under anaerobic
Q19: All of the following organisms are involved
Q20: Which of the following is NOT a
Q21: Which one of the following processes in
Q24: Residual chlorine must be maintained in
A) anaerobic
Q25: Bacteria can increase the Earthʹs temperature by
A)
Q26: Which of the following is mismatched?
A) N2
Q27: Which of the following do NOT fix
Q38: Sedimentation of sludge occurs in
A)anaerobic sludge digestion.
B)primary
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