Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by

Options

A. storing them in underground storage tanks
B. using them for producing biogas
C. vermiculture
D. usin them directly as biofertilizers

Answer

b

Explanation

Pollution from animal excreta and organic waste from kitechen can be most profitable minimized using then in the generation of biogas. Biogas is a mixture or methane and carbon dioxide resulting from the anaerobic decomposition of such wast materials as domestic, industrial and agricultural sewage.