Question

what is the main source of biogas​

Answer 1

Answer:

Explanation:

Main source of biogas is cowdung

Answer 2

$\huge \color{red} \mathfrak Answer :- \\ \\ \: Biogas \: can \: be \: produced \: \: from \: \\ raw \: materials \: such \: as \: agricultural \\ \: waste ,\: manure ,\: \: municipal \\ waste \: plant ,\: material ,\: sewage \\, green \: waste \: or \: food \: water .\\ \\ Biogas \: is \: a \: renewable \: energy \: waste \:$