The following figure shows a typical biogas plant.Select the right option in which products labelled as A,B and C are correctly identified
A. A-Sludge, B-Methane, Carbon dioxide, C-Sewage
B. A-Sludge, B-Ethylin Carbon dioxide, C-Dung, water
C. A-Sludge , B-Metane, Carbon dioxide, C-Dung, water
D. A-Sludge, B-Methane , Oxygen, C-Dung, water
