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Environmental Science Competitive Exam: Certification Test 415

Water Pollution MCQ App & e-Book: MCQ 415

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MCQ: 415

'Turbidity' in sewage is caused by

  1. Colloidal liquids
  2. Suspended and Colloidal Solids
  3. chemicals
  4. waste water
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Water Pollution Competitive Exam: Environmental Science App & eBook MCQ

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