Mention three advantages of converting domestic sewage to sewage gas.
(N/A) $(i)$ It produces precious fuel from waste material that would otherwise be discarded.
$(ii)$ It helps in controlling water pollution by treating the sewage.
$(iii)$ The residual sludge after gas production serves as a nutrient-rich manure for agriculture.
$(ii)$ It helps in controlling water pollution by treating the sewage.
$(iii)$ The residual sludge after gas production serves as a nutrient-rich manure for agriculture.
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