In which one of the following the BOD (Biochemical Oxygen Demand ) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?

Options

A. SE < PE< S < DE
B. PE < S < SE < DE
C. S < DE < PE < SE
D. SE < S < PE < DE

Answer

B