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Q: What are the economical problems with coal?
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We are the best country to live in acording to the UN. We do not have economical problems.


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Biofuels are becoming the newest substitute for fossil fuels; but the BTU factor of coal makes it more economical for factory and industry use.


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You don't. But coal is an economical fuel. One method of producing electricity on a commercial scale is with steam. Coal provides an inexpensive source of heat to heat water to steam, which is directed through turbines which in turn drive generators. You can do the same thing with falling water (without the steam) if you have a large enough waterfall, or you can use a different heat source like natural gas or atomic energy. Coal is sometimes more economical.


What is the required depth for a coal seam for it to be worth mining at least in Pakistan?

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How does mining coal cause enviromental problems?

when coal is mined from earths surface,people remove the layers of soil above the coal


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