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Question
How is biogas superior to dry animal dung as a fuel?
How is biogas superior to dry animal dung as a fuel?
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Solution
Biomass: Biomass is a natural substance that originated from the degradation of plants, animals, or human waste. The biomass is further decomposed to form biogas.
Explanation: One of the biomass obtained from animals is dung, which can be used as fuel to cook food by directly burning it. The direct burning of dung causes smoke and it is not a clean fuel. On the other hand, the biogas obtained from the decomposition of biomass like dung is a clean fuel due to the presence of methane in it. The biogas produces a clean flame.
Therefore, due to the presence of smoke in dung and the absence of smoke in biogas, biogas is superior to dry animal dung when used as fuel.
Biomass: Biomass is a natural substance that originated from the degradation of plants, animals, or human waste. The biomass is further decomposed to form biogas.
Explanation: One of the biomass obtained from animals is dung, which can be used as fuel to cook food by directly burning it. The direct burning of dung causes smoke and it is not a clean fuel. On the other hand, the biogas obtained from the decomposition of biomass like dung is a clean fuel due to the presence of methane in it. The biogas produces a clean flame.
Therefore, due to the presence of smoke in dung and the absence of smoke in biogas, biogas is superior to dry animal dung when used as fuel.
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