MCQ PracticeBurning of fossil fuels is the main source of pollutionSubject: Biotechnology EngineeringTopic: Environmental BiotechnologyANitrogen oxideBNitric oxideCNitrous oxideDSulphur oxideCorrect 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