You decide to educate Alan on markers of fecal contamination,as he said he is able to obtain a kit that will tell him if water is contaminated with feces.You tell him to be cautious,because the kit mainly indicates the presence of coliforms,but may not detect other potential fecal pathogens.Which of the following organisms are coliforms?
A) E. coli
B) Enterobacter
C) Citrobacter
D) All of the choices are coliforms.
E) coli
Correct Answer:
Verified
Q1: The breakdown of man-made compounds by decomposers
Q2: Indicator bacteria are _.
A)coliforms
B)enterococci
C)evidence of fecal contamination
D)used
Q6: In the secondary phase of water treatment,
Q7: What chemical is used in both water
Q9: Alan is concerned about the drinking water
Q9: The final step of sewage treatment before
Q14: The presence of fecal matter means that
Q15: In which step of water purification does
Q15: Potable water is
A)contaminated.
B)polluted.
C)safe to drink.
D)foul tasting.
E)None of
Q39: There are very few viruses in aquatic
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