Coal takes millions of years to form
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. Layers of dirt and rock covered the plants over millions of years.
Is coal a renewable natural resources?
Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs.
Why coal is called non renewable source of energy?
Coal and petroleum are called non-renewable resources because they have a finite amount which cannot be quickly replenished.
