List two ways in which animal dung can be utilized as a fuel. Out of these two which one do you think is better. Justify your answer.
List two ways in which animal dung can be utilized as a fuel. Out of these two which one do you think is better. Justify your answer.
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Two ways are :
(i) As cowdung cakes
(ii) As biogas
Biogas is better than cow dung cakes because it has high heating capacity and are non- polluting as it burns without smoke and leaves no residue like ash. Slurry left in the biogas plant is a good manure for fields.
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