Write some important uses of the various constituents of petroleum.

Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible.? If yes, why?, If not, why not?

Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.

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?

What steps would you suggest for the judicious use of fossil fuels?