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en.wikipedia.org/wiki/Non-renewable_resource

Earth minerals and metal ores, fossil fuels (coal, petroleum, natural gas) and groundwater in certain aquifers are all considered non-renewable resources, though individual elements are almost always conserved. In contrast, resources such as timber (when harvested sustainably) and wind (used to power energy ...

www.eia.gov/energyexplained/?page=nonrenewable_home

Nonrenewable and renewable energy sources. Energy sources are classified as nonrenewable because they do not form or replenish in a short period of time. Renewable energy sources such as solar and wind replenish naturally in a short period of time. The four major nonrenewable energy sources are. - Crude oil

www.eia.gov/KIDS/energy.cfm?page=nonrenewable_home-basics

Uranium (nuclear energy). Nonrenewable energy sources come out of the ground as liquids, gases, and solids. We use crude oil to make liquid petroleum products such as gasoline, diesel fuel, and heating oil. Propane and other hydrocarbon gas liquids, such as butane and ethane, are found in natural gas and crude oil.

www.nationalgeographic.org/encyclopedia/non-renewable-energy

Feb 21, 2013 ... Non-renewable energy comes from sources that will eventually run out, such as oil and coal.

www.bbc.co.uk/schools/gcsebitesize/geography/energy_resources/energy_rev1.shtml

Over the last 200 years an ever-increasing proportion of our energy has come from non-renewable sources such as oil and coal. While demand for energy rises these resources are running out and scientists are exploring the potential of renewable sources of energy for the future.

www.eschooltoday.com/energy/non-renewable-energy/what-is-non-renewable-energy.html

Non-renewable energy comes from fossil fuels (coal, oil, natural gas) and uranium. Fossil fuels are usually found in one location as their formation is from a similar process. Get the facts and tips non-renewable energy in this lesson.

ww2.kqed.org/quest/2014/02/13/nonrenewable-and-renewable-energy-resources-2

Feb 13, 2014 ... This infographic depicts the two major categories of energy resources: nonrenewable and renewable.

examples.yourdictionary.com/examples-of-non-renewable-resources.html

The other form of non-renewable resource used to produce energy, nuclear fuels, is primarily obtained through the mining and refining of uranium ore. Uranium is a naturally occurring element found within the Earth's core. Most uranium deposits occur in small quantities which miners gather together, refine, and purify.

www.solarschools.net/resources/stuff/non_renewable_energy.aspx

Non-renewable fossil fuels (crude oil, natural gas, coal, oil shales and tar sands) currently supply Australia with more than 95 percent of our electrical energy needs. Non-renewable energy is energy produced by burning fossil fuels such as coal. They are non-renewable because there are finite resources of fossil fuels on ...