Question

Although coal and petroleum are produced by the degradation of biomass yet we need to conserve these resources. Why?

Answer 1

These are limited in our lovely plannet

But soon it will end

And this world than need to have any other source of energy like

Antimatter energy

Answer 2

because it need many years to produce coal and petroleum . as their excess use will destroy them. if we will not conserve them they will become extinct . so we need to conserve them .