If land is available the best method of sewage disposal is -: (A) Dumping, (B) Composting, (C) Trickling filter, (D) Activated sludge process
Answer is B. Park's textbook of preventive and social medicine 23rd edition. Park's textbook of preventive and social medicine 23rd edition. * Composting is a method of combined disposal of refuse and night soil or sludge where suitable land is available.