Identify the parts labelled A,B & C w.r.t., biogas plant

| A | B | C |
| Gas | Sludge | Dung water |
| A | B | C |
| Gas | Gas holder | Digester |
| A | B | C |
| Gas holder | Sludge | Dung water |
| A | B | C |
| Gas holder | Digester | Dung water |
As we learnt ,
Structure of a typical biogas plant -
The biogas plant has an outlet, which is connected to a pipe to supply biogas to nearby houses
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