Home » Geography » Rocks of the core of the earth are rich inRocks of the core of the earth are rich in Rocks of the core of the earth are rich in A. iron and nickel B. silicon and magnesia C. iron and magnesia D. silica and nikel Correct Answer: Option A Explanation Related Posts The essential nature of the economic activity called grazing can be described as the? The system of cultivation of tropical commercial crops estates is known as Which of the following statements is not true of primary activities? A mercury barometer is used for measuring Loss of farmlands can be attributed to all the following except A true bearing is the angle which a line makes from the observer’s position to…
