MCQ PracticeWhich one of the following economic principles helps a farmer to allocate his limited resources to two different enterprises?Subject: AgricultureTopic: Agricultural EconomicsAThe law of variable proportionsBThe law of comparative advantageCThe principles of fixed and variable costDThe law of equimarginal returnsCorrect 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