Definition of renewable sources

Renewable or not renewable ?

A natural resource that can replenish itself naturally over time.

Definition of non-renewable sources

A non renewable source is a natural supply that only has a limited supply which can not be replaced; any natural resource that cannot be replenished by natural means at the rates that it is being consumed.

Examples

Examples

-sunlight 

-wind

-biomass

-rain

-tides

-waves

-geothermal heat

-fossil fuels ( coal, oil, natural gas)

-petroleum 

-nuclear 

-energy