The most commonly used energy sources are non-renewable.
For example: Fossil fuels ( oil, coal and natural gas) and nuclear energy which uses radioactive materials.
(COAL) 
(URANIUM)miércoles, 15 de marzo de 2017
NON-RENEWABLE ENERGY SOURCES.
Non-renewable energy sources come from natural resources that are limited and can be exhausted.
The most commonly used energy sources are non-renewable.
For example: Fossil fuels ( oil, coal and natural gas) and nuclear energy which uses radioactive materials.
(COAL)
(URANIUM)
The most commonly used energy sources are non-renewable.
For example: Fossil fuels ( oil, coal and natural gas) and nuclear energy which uses radioactive materials.
(COAL) (URANIUM)
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