We use energy everyday to power our electronics. The electricity we used is generated by different energy sources. (4) such as coal, is most often used to produce electricity. Burning coal can create pollution in our environment, so other sources of energy should be used. The use of running water in 15 is an example of using a (6). source to help reduce the amount of pollution Other sources that prevent pollution include sun, wind, and even (7), which makes these options much more​