Which of the following roles is being played by the Organization of Petroleum Exporting Countries (OPEC) with regards to Nigeria’s crude oil? By: Sunday|Published on: Aug 9|Categories: Economics WAEC| 0 comments A. Exploiting B. Exploring C. Refining D. Marketing E. Exporting Correct Answer: Option D – Marketing Users Also Read These:The Organization of Petroleum Exporting Countries…Nigeria joined the Organisation of Petroleum…The Organization of Petroleum Exporting Countries…Nigeria is rated in the Organization of Petroleum…The organisation of petroleum exporting countries…SEE ALSO The relationship between Marginal Product (MP) and Average Product (AP) is such that they are equal when?