Ingles I- Ing. Ambiental/ Estadistica

hi, here u have all the voca u need. see u next class!
http://elpweb.com/materials/wp-content/uploads/2007/03/L1%20L&S%20supp%20mats%20unit%201%20Physical%20appearance.pdf
http://www.anglictina-online.cz/download/Hit12.pdf