Is methane mainly by urine or feces?
Methane is the main component of CH4 (methane) and CO2 (carbon dioxide), the nature of methane determines the nature of methane
The gas produced by the fermentation of urine is mainly ammonia, which is not the main component of biogas.
The main components of urine are nitrogenous substances, such as urea, uric acid, creatine, creatinine, amino acids and ammonia
