MCQ PracticeFill in the blank with the most appropriate option:Long ago people _____ little about those minerals.Subject: EnglishTopic: TensesAhad knownBknowedCwill knowDknewCorrect 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