A) sewage
B) sewer
C) sewerage
D) none of these.
Correct Answer: A
Solution :
: Sewage is domestic, municipal, or industrial liquid waste products disposed of via a pipe or similar structure. The physical infrastructure, including pipes, pumps, screens, channels etc. used to convey sewage from its origin to the point of eventual treatment or disposal is termed sewerage, a term often mistakenly used to refer to sewage. The composition of each sewage stream varies widely, but sewage derived from a large city can be expected to contain water, non-pathogenic bacteria, pathogens, organic particles, soluble organic material, inorganic particles, soluble inorganic material, animals, macro-solids, gases, emulsions and toxins.
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