Question
Why is it necessary for nations to research and plan for alternative forms of energy?
Responses

The demand for fossil fuels is diminishing.
The demand for fossil fuels is diminishing.

The supply of fossil fuels will someday be exhausted.
The supply of fossil fuels will someday be exhausted.

Fossil fuels are being replenished faster than they can be used.
Fossil fuels are being replenished faster than they can be used.

New methods of obtaining fossil fuels need to be developed.