3. Wind energy is clean and renewable that can help us by not polluting the earth and if you buy our product you wont only help us but you will be helping the environment.

4.  Wind energy is clean and renewable  Wind energy produces a lot of electricity  Wind energy was used in 2000 BC by china  Wind energy has the lowest price of renewable energy  Source:  http://interestingenergyfacts.blogspot.com /2008/03/wind-energy-facts.html http://interestingenergyfacts.blogspot.com /2008/03/wind-energy-facts.html

5. http://www.youtube.com/watch?v=gt 3tRPHUBPg

7. La energia de viento es muy inportante porque la usamos para muhas cosas la usan para las compachias,en las universidades,

20. * wind is caused by the atmosphere by the sun in the earth surface of the rotation of the earth