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  • Waste Water Story-II
  • Which two type of wastes block the oxygen flow and hamper...
Multiple choice

Which two type of wastes block the oxygen flow and hampers the degradation process?

  1. Fruit and vegetable wastes

  2. Motor oil and insecticides

  3. Human excreta

  4. Soaps and detergents

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Motor oil and insecticides block the oxygen flow and hampers the degradation process.

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