MCQ PracticeWhich one of the following principles is employed in production when resources are scarce?Subject: AgricultureTopic: Agricultural EconomicsAComparative advantageBEqui-marginal principlesCAdded cost is equal to added returnsDNone of the aboveCorrect Answer: APractice 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