Today, oil production methods, modern survey methods made it possible to find oil at a rate of success. 70%
of the world's oil is produced in the Earth's crust. Oil, gas associated with oil, which floats above the floor. Sometimes gas is extracted together with oil during the process of drilling at other times, they are burnt out when it comes to the surface. In addition to the petroleum industry to explore new reserves of oil drilling and refining industry must also bring oil products to consumers. Oil prices are many factors that can influence oil prices. Especially the wars and conflicts in oil-producing countries could lead to a rise in oil prices. Oil prices and the energy crisis of 1970 threw the world economy into a deep recession. Oil consumption, most of the world's oil is needed in the western world. The United States is the world's largest oil consumer. Use about a fifth of oil production on a daily basis. Japan, the EU and China is a major consumer of other oil. Environmental impact of oil producing and oil-consuming and oil products that affect our environment in many ways it is a major cause of the condition. Global warming due to the burning of fossil fuels releases carbon dioxide, thus causing the greenhouse effect. The history of the first oil well was built in the middle of the 19th century in Pennsylvania. Car boom of the early 20th century led to a higher demand of oil. In the second part of the 20th century, Saudi Arabia and Russia produced more than the United States today, more than 90% of all vehicles will be powered by oil products, about 80% of the world's oil reserves are located in the Middle East. Other prominent manufacturer with Venezuela, the United Kingdom and Indonesia. What made from crude oil, petroleum hydrocarbons, mainly consisting of a combination of hydrogen and carbon. Deposits of Petroleum, each with a different liquid hydrocarbons, making it thicker or thinner. It also contains sulfur, nitrogen and other elements that are in it. Elements of English words can not describe what an object or action. Some words used to connect parts of sentences. The language rules are called grammar. Sometimes syntax is easy for others to find it difficult to learn all the rules of the language. In our world there are about 7,000 languages spoken in the world today. Only very few are known widely spoken languages around the world by millions of people left to speak the local language in certain areas. The most common language is Mandarin, English and Spanish. The change of language as a mother tongue standard changes over the centuries. English in the time of Shakespeare, is very different from the English we speak today. The future of a language, linguists say that China will become the number one new language because it is the mother tongue of more than 1 billion people.
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