Thick yellow or black liquid petroleum gas found in shale. It is made from organic materials that formed millions of years ago. From dead plants and animals. Deep in the ground pressure and heat, turning them into oil, crude oil in its natural state. Oil is used in one form or another for more than a thousand. It has become important to, or year. But in the centuries it has been mostly a source of energy. Since the end of World War 1 oilfield, which was built in the middle of the 19th century in Pennsylvania Pennsylvania by 1870 oil production has spread to the other American in the latter part of the 19th century, oil was produced. In Canada and countries in Europe. In the early 20th century led to the rise of a major oil boom, it played a major fuel for cars RO tanks and planes in World War II. In 1950 the United States became the world's largest oil producer. In the second part of the 20th century Saudi Arabia. And Russia produced more oil than the United States erea HY products. Oil has UL Inn most of the world's oil is needed in the western world to the fini consumers, it takes up about nnh a daily oil fion imwn Frode, the main consumers of other oil environmental impact of. Oil production and consumption of oil and oil products. Impact on our environment in many ways, it is a major cause of global warming due to the burning of fossil fuels releases carbon dioxide, thus causing greenhouse gas drilling often damaging to the environment. The chemicals are used to separate oil from water. In the past decade, a series of tanker accidents that polluted the world's oceans and seas. The disaster was the largest decline of the EXXON VALDEZ off the coast of Alaska in 1989, in 2010 oil spill in the Gulf of Mexico, spreading to the coastal areas in the United States and Mexico and several thousand square kilometers of water pollution...
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