Question

how are coal and petroleum found ? Describe the distribution of major oil and coal field in the world..

Answer 1

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Here is your half answer
Coal and petroleum have been formed from remains of dead animals and plants which has been subjected to various biological and geological process. Coal is the remains of trees, ferns and other plants that lived millions of years ago. These were crushed under the earth by earthquakes or volcanic eruptions. They were pressed down under the layer of earth and rock and slowly decayed into the coal under the high temperature and pressure.