Documents You probably experienced polution, its the smog and other contaminants that float in the air we...

Slide 1 Slide 2 You probably experienced polution, its the smog and other contaminants that float in the air we breathe. –Alert, today the level of pollution in the air…

Documents You probably experienced polution, its the smog and other contaminantes that flote in the air we...

Slide 1 Slide 2 You probably experienced polution, its the smog and other contaminantes that flote in the air we breath. –Alert, today the levels of polution in the air…