UNIVERSIDAD TECNOLOGICA DEL ESTADO DE ZACATECAS

PASSIVE VOICE

TEACHER: LUZ MARIA JUÁREZ DÁVILA

STUDENT: OMAR ALEJANDRO SERNA CALDERÓN

MANTENIMIENTO INDUSTRIAL.

18 DE ABRIL DEL 2013

Passive voice

1) The woods and forest are being destroyed by humans.2) Acid rain is caused by pollution in the air.3) The air is being polluted by the smoke.4) The ozone layer is being contaminated by aerosols.5) The water is being polluted by garbage and debris that throws

people.