Petroleum is found in the purest form under the earth's crust.
Answers
Answer:
Petroleum which is also known as crude oil is a fossil fuel that was formed from the remains of marine organisms and plant wastes (vegetable).
Millions of years ago, algae and plants lived in shallow areas seas. After dying and sinking to the seabottom, the organic material mixed with other sediments and was buried. Over millions of years under high pressure and high temperature, the remains of these organisms transformed into what we know today as fossil fuels by the various chemical process . Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions.
Explanation:
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Answer:
Petrol is the purest form obtain from petroleum (crude oil) by fractional distillation. The petroleum carried out from the surface of earth is not in pure form and is fractioned in the distillation column to get it into purest form of petrol.
Explanation:
Petroleum is found in porous rock formations in the upper strata of some areas of the Earth's crust. There is also petroleum in oil sands (tar sands). Known oil reserves are typically estimated at around 190 km3(1.2 trillion (short scale) barrels) without oil sands, or 595 km3 (3.74 trillion barrels) with oil sands.