Question

. What is the main constituent of biogas? How is biogas obtained from biomass? Write any two advant ages of using this gas.

Answer 1

hello mate

I think that the main constituent of biogas is methane
2 advantages of the biogas are
1)it's an excellent source of fuel
2)it's sludge which remains is an excellent manure

hope that I was able to help you a bit
please mark as brainliest if my answer helped you ☺

Answer 2

methane and hydrogen gas are main constituent of biogas.by the decomposition of biomass.1.eco friendly gas .2 no any pollution while burning ,no any ash bhind it these are advantages of biogas.