Question

what are non renewable sources​

Answer 1

Resource:

Anything that can be used to satisfy a need is called a resource.

Renewable resource:

Renewable resources are those which get be renewed by time.for example,solar energy

Non-Renewable resources:

Non renewable resources are those which are limited and cannot be renewed if once finished.for example,fossil fuels.

So we must use these resources carefully.

Hope it helps...