dijous, 16 de febrer del 2012

Difference between renewable and non-renewable energies

Renewables energies are those energies that are produced continuously and they're inexhaustible, for example: solar energy, wind energy, water energy, biomass energy and geothermal energy.
Non-renewable energies are those from the nature and they take milions of years to form, for example: fossil fuel, coal and petrol.

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