primera Oct. 2014 | Page 69

Bases de la Ecología Nombre ____________________________________________________________ TAREA 4 Núm. de lista ____________ Grupo __________________ Turno ___________ Núm. de Expediente _____________________ Fecha _____________________ INSTRUCCIONES: Investiga algunas de las acciones que podemos realizar para reducir los gases de invernadero. Elabora una investigación bibliográfica donde expliques, las causas y efectos del calentamiento global y posibles soluciones. _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________