Why coal is non renewable resources?
Among them, some resources can be reused, such as gold, silver, copper, iron, lead, zinc and other metal resources, the other is not to recycle resources, such as coal, petroleum, natural gas and other fossil fuels for energy use, when they were burned, although the energy from one form into in another form, but as the original form of the substance has ceased to exist, its form has changed.
This kind of resources is formed in a long period of evolution of the earth, in a certain stage, a certain region, under certain conditions, through the formation of a long geological period. Compared with the development of human society, its formation is very slow, compared with other resources, regeneration rate is very slow, or almost no regeneration. The exploitation and utilization of non renewable resources will be consumed by human beings, and it is impossible to maintain their original reserves or regeneration
Renewable resources: human development and utilization, in a very long period of time, the natural resources can not be renewable renewable resources. Mainly refers to the nature of a variety of minerals, rocks and fossil fuels, such as peat, coal, oil, natural gas, metal minerals, non-metallic minerals, etc..
