Question

Coal reserves are said to be enough to last for another hundred
years. Do you think we need to worry in such case? Why or why
not?


NCERT Class VIII
Science - Exemplar Problems

Chapter 5. Coal and Petroleum

Answer 1

Coal is one of the important sources of natural resources.

Now days the amount of consumption of coal has been restricted as some parts to preserve the natural resource.

We ought to have to worry in few occasions if the natural resources are drained out without putting a limit then we will be having a shortage of the resource resulting in huge problems for the mankind.

Answer 2

These days there is a large usage of coal for many purposes . We need to worry because they may completee for this reason.