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
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 Antarctica which have yet to be economically exploited
C
Oil is being used increasingly in place of coal for many industrial and domestic uses
D
As coal resources are depleted more and marginal supplies , which are more costly to produce and less efficient in use , are being mined
Correct Answer: There has been a slowdown in the rate of increase in world demand for coal over the last 5 years from 10% to 5%