MCQ PracticeThe most ancient and oldest unmetamorphosed sedimentary terrestrial rocks that contain the fossils of micro-organisms belong to theSubject: BiologyTopic: Genetics And EvolutionASwaziland system of South AfricaBBulawayo system of South RhodesiaCShale system of peninsular MichiganDNone 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