Which of the following can be used in the production of biogas?
(a) Activated sludge (b) Sludge (c) Clarified water (d) All of the above
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answer is option B Sludge
because in the production of biogas methane gas dug water and sludge is used
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Answer:
The main crop used is corn. Organic waste and industrial and agricultural residues such as waste from the food industry are also used for biogas generation
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