1.Sea animals and plants died in the oceans and were deposited on the ocean floor, Over millions of years, layer upon layer of marine deposits formed and were covered by sand and silt
2. Thorough the actions of temperature and pressure, The deposits were changed into crude oil and natural gas
3. Crude oil is then taken out the ground as a thick dark stickie substance thorough drilling the ground and pumping it out
4. Crude oil is then refined to make a number of different product's such as motor oil, petrol lighter fuel, aero plane fuel ,diesel and tar, vasline and other waxes
