Uses of coal gas?( in points)

In the explanation. :)

Explanation:

Coal And Its By - Products: Coke, Tar And Coal Gas. Coal is one of the most useful fossil fuels. It has many applications, some of which include the production of heat for households, firing of industrial generators, manufacturing of cast iron, etc. Coal gas is used in lighting. The gas is also used for heating. Most often than not many people use this gas for cooking. It is used as a fuel.

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heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.