Which of the following is the main gas that emits out of landfills:

  1. Carbon dioxide
  2. Methane
  3. Nitogen
  4. Hydrogen Sulfide
Anurag Mishra Professor Asked on 9th January 2016 in Science.
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    Answer: (2) Methane 

    Anurag Mishra Professor Answered on 9th January 2016.
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