What do you understand by the term ‘Dark Fermentation’?

  1. It is a method to reduce COD in the atmosphere
  2. It is a method to produce Hydrogen as a fuel from waste water
  3. It is a method to produce methane from organic
  4. It is a method to dispose nuclear wastes.
Anurag Mishra Professor Asked on 6th December 2015 in Geography.
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    Answer: (1) It is a method to reduce COD in the atmosphere

    Anurag Mishra Professor Answered on 7th December 2015.
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