Question

which is better fuel:biogas or wood?give reasons

Answer 1

better fuel is biogas

Answer 2

biogas is a better fuel than wood because using biogas we can get electricity for lighting and cooking . the slurry produced is an excellent manure . it also utilises waste.if we use wood it causes pollution and lead to deforestation1 it does not produce any ash2 no pollution occours3 it has high value4 no residue is left after burning