Coliform Bacteria Populations Are Routinely Monitored in Drinking Water Supplies

Multiple Choice

Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria

A) Are especially toxic to animals
B) May mutate into severely pathogenic strains
C) Indicate the presence of feces in water
D) Usually live in pesticide-contaminated water
E) Are more difficult to find in water