Question

Explain the following terms.

(a)Sewers

(b) Sewage

(c)Sludge​

Answer 1

Answer:

1. an underground conduit for carrying off drainage water and waste matter.
2. waste water and excrement conveyed in sewers.
3. "sewage treatment"
4. Sludge is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.