Environmentalmedium · Past Paper
A high level of 'Coliform' bacteria in water indicates contamination by:
AIndustrial waste
BSewage and animal waste
COil spills
DRadioactive minerals
✓ Correct Answer: B — Sewage and animal waste
Coliform bacteria like E. coli are found in the intestines of warm-blooded animals; their presence indicates fecal contamination.
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