Which of the Following Fossil Fuels is the Cleanest Fuel ?

  1. Coal
  2. Petrol
  3. Natural gas
  4. Diesel
Monis Rasool Professor Asked on 5th November 2015 in Environment Science.
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1 Answer(s)

Answer: (3) Natural gas 

Anurag Mishra Professor Answered on 3rd January 2016.
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