The zone which is rich in iron; aluminium; magnesium and clay substances is the? by Sunday | Dec 25 | Geography JAMB | 0 comments A. C-horizon B. D-horizon C. A-horizon D. B-horizon Correct Answer: Option D – B-horizon Users Also Read These:Aluminum is above iron in the electrochemical…An aluminium rod of length 1.8m at 100oC is heated…An iron rod of length 50m and at a temperature of…What mas of magnesium would be obtained by passing a…The metallic bond in magnesium is stronger than that…