Science, asked by FkUishitamukerjee, 1 year ago

how is coal formed?​

Answers

Answered by arshbbcommander
6

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How was coal formed ? Coal is the product of plants, mainly trees, which died tens or hundreds of millions of years ago. These dead plants and trees did not decompose in a normal way as they were covered with water and protected from oxidizing effect of air. The action of certain bacteria released oxygen and hydrogen, making the residue richer and richer in carbon. Thick layers of this carbon-rich (27%) substance, called peat, built up over thousands of years. As more material accumulated above peal, water was squeezed out. Pressure and temperature further compressed peat and gases were expelled. The proportion of carbon continued to increase till it slowly changed into coal over a period of millions of years.

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...Hope it helps....

Answered by Anonymous
2

Coal was created as a result of the anaerobic thermal degradation of large plant cellulosic materials buried in the earth millions of years ago.

Degradation of thermal anaerobic wood is termed carbonisation. Carbonisation is a long process that can take centuries to occur. The gradual transformation of wood into coal is called carbonisation under the influence of high temperature, high pressure and without oxygen.

Wood is transformed into coal through a series of steps under the influence of high temperature and pressure and without oxygen, each step leading to an increased carbon content.

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