1. Universidad Politcnica Estatal del Carchi Yadira fuertes THE ENVIRONMENT English 16/08/2013

2. THE ENVIRONMENT 3. THE ENVIRONMENT 4. THE ENVIRONMENT 5. THE ENVIRONMENT 6. THE ENVIRONMENT 7. THE ENVIRONMENT trees 8. THE ENVIRONMENT 9. THE ENVIRONMENT 10. THE ENVIRONMENT 11. THE ENVIRONMENT 12. THE ENVIRONMENT 13. THE ENVIRONMENT 14. THE ENVIRONMENT the desicion is in your hands is a compromise the everyone 15. THE ENVIRONMENT Bibliografia Students book Our world though english Rita Ponce,Marlene Ribera,Irene Rosero,Kari Miller Linkografia http://www.consumer.es/web/es/medio_ambie nte/urbano/2012/01/19/206265.php