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There has been a slowdown in the rate of increase in world demand for coal over the last 5 years from 10% to 5%
It has been known for many years that there are vast stocks of coal under Antarctica which have yet to be economically exploited
Oil is being used increasingly in place of coal for many industrial and domestic uses
As coal resources are depleted more and marginal supplies , which are more costly to produce and less efficient in use , are being mined
Industries are increasingly using fossil fuels, now a days , as the new reserves of such energy have been discovered
ANS : 5
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