How are biogas plants useful?

bigogas plant useful because they use natural thighs instead of artificial. and the have no sideeffect. there is no chemicals in there enternal parts

Explanation:

they consume the seeds and plants that planted in the area

the reason the welfare system causes so much of a burden on its recipients is because the welfare system does not give its recipients any real tools to actually get out of poverty. the welfare system has embedded poverty deeper into society and has made it harder and harder for people to escape poverty.

in other words, it stoped the poor, and now its making it worse.

hope this . : )      

and im sorry it took so long for your question to get answered