What commodity is associated with OPEC? by Sunday | Dec 22 | Geography JAMB | 0 comments A. Coffee B. Iron and Steel C. Vegetable oil D. Mineral oil Correct Answer: Option D – Mineral oil Users Also Read These:Effective demand for a commodity is the desire for…If the price of a commodity falls and the quantity…If the price of a commodity Z falls and a consumer…An increase in the supply of a commodity X…When the price of commodity A increases, the demand…