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What are the main constituents of biogas?
Methane and sulphur dioxide
Methane and carbon dioxide
Methane, hydrogen and nitric oxide
Methane and nitric oxide
Biogas is an environmental friendly fuel; produced by anaerobic action of microorganism that feeds on animal and agricultural waste. It is a renewable source of energy. It is made up of methane (60- 70%), carbon dioxide (25-50%), nitrogen (0-10%) and hydrogen (0-1%).
By: Ketan Garg ProfileResourcesReport error
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