How is biogas prepared? Options: A . &nbspDecantation B . &nbspFiltration C . &nbspFermentation D . &nbspSublimation

How is biogas prepared?

Question

How is biogas prepared?

Options:

A . Decantation

B . Filtration

C . Fermentation

D . Sublimation

Answer: Option C
Answer: (c).Fermentation

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