Natural gas is composed of Methane Chlorine Oxygen Salt Water 3. Crude oil is converted into useful products in a refinery. Iran United States Nigeria 5. Nigeria Japan 7. One tenth One third One half Two thirds Nine tenths 8.
Crude oil is found in reservoirs below the earth's surface.
In chemical combination with other minerals 10. Uranium Petroleum Coal Natural Gas Hydropower 11. Exploration and refining Marketing and refining Transportation and marketing Exploration and production Refining and transportation 12. Spindletop Titusville North Slope Baku oil field East Texas field 13. Lubricating oil Bunker fuel Compressed natural gas Jet fuel Gasoline 14.