non-renewable resource
class of economic resources that natural processes do not readily replenish at practical rates
natural stone
stone material found in nature
fossil water
undisturbed ancient body of water
nonrenewable energy
energy that is collected from limited resources (only about energy such as fossil and nuclear)
fossil fuel
combustible fuel containing hydrocarbons formed by natural processes such as anaerobic decomposition of buried dead organisms, examples being coal, petroleum and natural gas