
Coal is categorized as a non-renewable energy source. Non-renewable resources are finite and take millions of years to form. Coal originates from ancient plant matter subjected to intense pressure and heat over... Read more »

Fossil fuels (coal, oil, and natural gas), nuclear fuels (uranium and plutonium), and certain geothermal resources are finite energy sources. These resources are extracted or mined from the Earth, and their formation... Read more »

Sources of energy that are finite and cannot be replenished at the same rate they are consumed are classified under a specific category. These resources exist in limited quantities, having taken millions... Read more »