Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Biogas is the mixture of gases produced by the microbial activity. The type of the gas produced depends upon - - Sarthaks eConnect

Biogas is the mixture of gases produced by the microbial activity. The type of the gas produced depends upon :-

Type of microbes

Type of organic substrate/waste

Size of digester

(A) & (B) both