Question

name any two low cost onsite sewage disposal system for human wastes

Answer 1

Two low cost onsite sewage disposal systems for human wastes include septic tank and vermicompost unit.

Septic tank with drainage system is an oldest waste disposal process.

But vermicompost can also be done through machinery recycling process, and it can reproduce some natural elements and well as nutrients for the plants through an effective waste disposal process.

Answer 2

septic tank and sewage