. Example of low cost onsite sewage disposal system is


(a)          biogas plant.

(b)          septic tank.

(c)           wastewater treatment plant.

(d)          sludge treatment plant.

 

Best Answer

(b) septic tanks

Example of low cost onsite sewage disposal system is septic tank, chemical toilets etc. Septic tanks are suitable for places where there is no sewerage system.

 

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