MCQ PracticePrincipal 'N' fixing algal community of blue-green algae?Subject: AgricultureTopic: AgronomyARhizobiumBAnabaenaCAzotobactorDAzospirillumCorrect 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