Multiple Choice
Treatment of drinking water by UV irradiation is effective at ________, but is less effective at ________.
A) killing bacteria and some cysts / killing iruses
B) killing viruses / killing bacteria and eukaryotic pathogens
C) removing order- and taste-altering organic compounds / killing bacteria
D) killing bacteria and viruses / killing eukaryotic pathogens
Correct Answer:

Verified
Correct Answer:
Verified
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