Question

Why municipal sewage first separated into degradable and non degradable wastes

Answer 1

Answer

because by the use of degradable waste they make the fertilizer in the use in field

Answer 2

Municipal sewage is seperated into degradable and non-degradable wastes as because degradable wastes can be biologiacally degraded or decomposed or dump into pits or yards so that it can help increasing the fertility of the soil and used by the plants.