Which of the following best indicates the steps in the production of biogas in a biogas plant. *
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Biogas storage → Slurry mixture → digestor → biogas
Slurry mixture → Digestor → biogas production → Manure
Slurry mixture → biogas storage → digestor → biogas
Slurry mixture → biogas production → Digestor → Manure
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tprogamingYouTue
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