Which of the following is not a direct petroleum product? by Sunday | Aug 24 | Chemistry WAEC | 0 comments A. Methane B. Ethanol C. Petrol D. Vaseline E. Kerosene Correct Answer: Option D – Vaseline Users Also Read These:When the marginal product is negative, the total…The relationship between Marginal Product (MP) and…The difference between the gross domestic product…The difference between the Gross Domestic Product…The Net National Product (NNP) is Gross National…