MCQ PracticeWhich waste water treatment is an anaerobic process?Subject: Biotechnology EngineeringTopic: Environmental BiotechnologyAPrimary treatmentBSecondary treatmentCTertiary treatmentDSludge treatmentCorrect Answer: DPractice 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