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  2. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    Earth minerals and metal ores are examples of non-renewable resources. The metals themselves are present in vast amounts in Earth's crust, and their extraction by humans only occurs where they are concentrated by natural geological processes (such as heat, pressure, organic activity, weathering and other processes) enough to become economically viable to extract.

  3. List of energy resources - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_resources

    Energy portal; These are modes of energy production, energy storage, or energy conservation, listed alphabetically. Note that not all sources are accepted as legitimate or have been proven to be tappable. Bus running on soybean biodiesel. Atomic energy; Alternative fuel; Alternative fuel vehicle; Banki turbine; Battery (electricity) Bioalcohol ...

  4. Natural resource - Wikipedia

    en.wikipedia.org/wiki/Natural_resource

    An example of a non-renewable natural resource. Natural resources are resources that are drawn from nature and used with few modifications. This includes the sources of valued characteristics such as commercial and industrial use, aesthetic value, scientific interest, and cultural value.

  5. Primary energy - Wikipedia

    en.wikipedia.org/wiki/Primary_energy

    Site energy is measured at the campus, building, or sub-building level and is the basis for energy charges on utility bills. [9] Source energy, in contrast, is the term used in North America for the amount of primary energy consumed in order to provide a facility's site energy.

  6. Primary nutritional groups - Wikipedia

    en.wikipedia.org/wiki/Primary_nutritional_groups

    The sources of energy can be light or chemical compounds; the sources of carbon can be of organic or inorganic origin. [ 1 ] The terms aerobic respiration , anaerobic respiration and fermentation ( substrate-level phosphorylation ) do not refer to primary nutritional groups, but simply reflect the different use of possible electron acceptors in ...

  7. Biomass (energy) - Wikipedia

    en.wikipedia.org/wiki/Biomass_(energy)

    Biomass (in the context of energy generation) is matter from recently living (but now dead) organisms which is used for bioenergy production. There are variations in how such biomass for energy is defined, e.g. only from plants, [8] or from plants and algae, [9] or from plants and animals. [10]

  8. Category:Non-renewable resources - Wikipedia

    en.wikipedia.org/wiki/Category:Non-renewable...

    Pages in category "Non-renewable resources" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. ...

  9. Resource (biology) - Wikipedia

    en.wikipedia.org/wiki/Resource_(biology)

    In biology and ecology, a resource is a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction. Resources can be consumed by one organism and, as a result, become unavailable to another organism. [1] [2] [3] For plants key resources are light, nutrients, water, and space to