MCQ PracticeOne of the purpose of secondary treatment of industrial waste water and sewage is toSubject: Biotechnology EngineeringTopic: Environmental BiotechnologyAIncrease the chlorine contentBReduce the BODCEncourage the formation of PCBsDDischarge ammonificationCorrect Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the