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:An aluminium rod of length 1.8m at 100oC is heated…The main impurity in iron ore during the extraction…An iron rod of length 50m and at a temperature of…What mas of magnesium would be obtained by passing a…What quantity of electrons is lost when one mole of…