advantges and disadvbantages of coal mining
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advantges and disadvbantages of coal mining

advantges and disadvbantages of coal mining

May 27, 2015· List ofAdvantages of Coal. 1.Primary energy source.Coal suppliesaround 30% of the primary energy needs all over the world, generating 40% of electricity. Some of the biggest producers are China, USA, India and Indonesia. Compared with oil and natural gas, it is one of the most abundant sources of energy.

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