primera Oct. 2014 | Page 72

Ecología y Medio Ambiente ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 4. ¿Cuáles son las especificaciones de calidad que debe de tener el agua para uso y consumo humano? ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 5. Indica un método para tratamiento de aguas negras. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ Investiga algunas de las acciones que podemos realizar para reducir los gases de invernadero. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ Revisión: _____________________________________________________ Observaciones:________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 72