i) - A pit is dug not too deep or shallow
- The pit is cemented and sealed to prevent gas from escaping
- Pipes are connected to carry the biogas to the burners
- Pour the dung and other waste into the digester and mix with water
- Anaerobic bacteria feed on it giving off biogas
ii) - Saw dust
- Agricultural wastes
- Wood
- Dung
sharon kalunda answered the question on April 17, 2019 at 09:51
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