The origin of petroleum
.When several million years, the sea full of animals and plants, small genera of microorganisms. When things are ชีวิตตา already down a large amount of money. It will fall to the bottom of the sea, and piled up with mud. And the sand river to blow sand and mud into the sea each year hundreds of thousands of tons.Sand and mud are piles of animals and plants switch overlap as a class. All the time. The million years the accumulation of sediment layer. More and more. Hundreds of feet to Nan, increasing the weight of the press and compression to make sand and mud.And shale, as well as the refined the dissolution of the carcass and sea plants, with some types of microbes help digest condition without oxygen (Anaerobic. Process) under the influence of temperature and high pressure in rock under the earth.And natural gas.
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