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

Question : In which one of the following the BOD(Bio-chemical Oxygen D

1.	Question : In which one of the following the BOD(Bio-chemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?
Answer» `SELT PEltSltDE` `PE LT Slt SE lt DE` `S lt DE lt PE lt SE` `SE lt S lt PE lt DE` ANSWER :B