Multiple choice

Biogas is pathogen free because

  1. anaerobic digestion removes pathogens and bacteria

  2. it is toxic to pathogens

  3. during decomposition, it produces antibiotics

  4. cattle dung is pathogen free
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biogas is pathogen free because anaerobic digestion inactivates pathogens and parasites and is quite effective in reducing the incidence of water borne diseases.

Keep practicing — related questions