Get premium membership and access questions with answers, video lessons as well as revision papers.

Your class visited a biogas digester near your school; (i) Describe how it was constructed (ii) List three raw materials the class may have identified which are...

      

Your class visited a biogas digester near your school;
(i) Describe how it was constructed
(ii) List three raw materials the class may have identified which are used in the production
of biogas

  

Answers


sharon
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


Next: State two shortcomings of using smoke signal as a way of communication in ancient times.
Previous: State the main result of Lochner treaty of 1890

View More Geography Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions