hi friends... information on coal and petroleum.. pls dont copy frm google__/\__..and where is vihan?
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Coal are black so girl don't like coal .Petroleum is used for making cosmetics so girl loves cosmetics .
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Coal and Petroleum:
when a fuel is burned, the energy is released mainly as heat(and some light). Most of the fuels which we use today are obtained from coal, petroleum and natural gas. Actually, coal, petroleum and natural gas are known as fossil fuels.
Coal was formed by the decomposition of large land plants and trees buried under the earth millions of years ago.
The crude oil petroleum is a complex mixture of several solid, liquid and gaseous hydrocarbons mixed with water, salt and earth particles.
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