10 Examples Of Non-Renewable Resources
Renewable and non-renewable resources are sources of energy that human society uses to function on a daily basis. The difference …
Coal Energy
Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests.
