Unless the new reserves are found soon, the world's supply of coal is being depleted in such a way that with demand continuing to grow at present rates, reserves will be exhausted by the year 2050. Which of the following , if true , will weaken he above a

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

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ব্যাখ্যা ও সঠিক সমাধান

উত্তর: There has been a slowdown in the rate of increase in world demand for coal over the last 5 years from 10% to 5%

বিস্তারিত সমাধান