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Tag Archives: Nonrenewable

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Energy Resources: Renewable & Nonrenewable

GeographyBy Schoolworkhelper Editorial TeamSeptember 23, 20103 Comments

We depend on a variety of energy resources, both renewable (R) and nonrenewable (NR), to meet our energy needs. Most used energy sources in the world: oil: NR; 50 year life expectancy natural gas: NR; 125 year life expectancy coal: NR; 200-300 year life expectancy water power: R; uranium (nuclear power): NR; ?? *The top…

Mineral Resources: Renewable & Nonrenewable

Earth and SpaceBy Schoolworkhelper Editorial TeamSeptember 23, 20102 Comments

Earth has renewable and nonrenewable resources.  Our demand for and use of resources sometimes exceeds the supply that is available. Renewable resource: one that can be replaced in nature at the same rate in which we use it Nonrenewable resource: one that exists in a fixed amount, or is used up faster than it can…

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