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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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Answer» Two ways : (i) as cow dung cakes (ii) as biogas Biogas is better than cow dung cakes because it has high heating capacity and is 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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