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 Which of the following, if true, will weaken the above argument?

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%

B It has been known for many years that there are vast stocks of coal under Antartica which have yet to be economically exploited.

C Oil is being used increasingly in place of coal for many industrial and domestric uses.

D As coal resources are depleted more and more marginal supplies, which are more costly to produce and less less efficient in use are being mined.

Solution

Correct Answer: Option A

Solution

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