Needed a Document for Coal and Petroleum? Related: Science Class 8 (VIII) - CBSE and NCERT Curriculum?

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Needed a Document for Coal and Petroleum? Related: Science Class 8 (...

The definition of coal is:

Coal is a natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds.

The definition of petroleum is:

It is a thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth 's surface, can be separated into fractions including natural gas, gasoline, naphtha, kerosene, fuel and lubricating oils, paraffin wax, and asphalt and is used as raw material for a wide variety of derivative products.

- Coal and petroleum both are fossil fuels and they take millions of years for their formation.

- Coal is made up of dead plants and trees. then the dead and decaying plants get buried under the layer of soil, and under large force and pressure, it gets converted into coal.

- Petroleum is formed by dead aquatic animals. when the dead aquatic animals get buried in the sea, under high pressure they get converted into petroleum.

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