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Water Pollution MCQs

The high amount of E. coli in water is the indicator of

September 21, 2022
The high amount of E. coli in water is the indicator of

Q. The high amount of E. coli in water is the indicator of

  1. Hardness of water
  2. Industrial pollution
  3. Sewage pollution
  4. Presence of chlorine in water

Answer: Sewage pollution

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