Treatment of Drinking Water by UV Irradiation is Effective at ________

Question

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

Accepted Answer

UV irradiation is effective at killing bacteria and some cysts, but is less effective at killing viruses, which are smaller and more resistant to UV radiation.