fossils fuels are formed in the geological past from the remains of living organisms. Petroleum products, such as coal and natural gas are considered fossil fuels. why are these types of fuels considered NONrenewable

Coal, crude oil, and natural gas are all considered fossil fuels because they were formed from the buried remains of plants and animals that lived millions of years ago ... Uranium is not a fossil fuel, but it is classified as a nonrenewable fuel