3.ENERGY RESOURCES

Energy sources are natural resources that we can use to generate different forms of energy.Then we can transform that energy for various purposes.

3.1.Non- renewable energy sources

Non-renewable nergy sources come from natural reosurces that are limited and can be exhausted.They include fossil fuels(oil,coal, and natural gas) and nuclear energy, which uses radioactive materials such as uranium.
            

                 Uranium                                                      Coal

3.2.Renewable energy sources

Renewable energy sources come from natural resources that we cannot use up completely.
These include hydroelectric,solar,marine,geothermal and biomass.