20.Biogas is a better fuel than animal dung cake because
(1 Point)
Animal dung cake can be used for cooking and illuminates the lanterns.
Biogas has lower calorific value
Biogas is smokeless and leaves no residue
Animal dung cake has high calorific value
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Biogas is a better fuel than animal dung cakes because: Burning of animal dung cake causes lot of pollution whereas biogas is a smokeless fuel. The calorific value of animal dung cake is much lower than that of biogas. Animal dung cakes leave residue after burning whereas biogas leaves no residue
Answered by
2
Answer:
Answer: Biogas is a better fuel than animal dung cakes because: Burning of animal dung cake causes lot of pollution whereas biogas is a smokeless fuel. The calorific value of animal dung cake is much lower than that of biogas. Animal dung cakes leave residue after burning whereas biogas leaves no residue.
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