Element that are necessary to certain body processes

"air pollution" is the correct answer i believe

Answer in 2009 barack obama signed into law the family smoking prevention and tobacco control act, the new law (h.r.   1256) represents the most sweeping action taken to date to reduce what remains the leading preventable cause of death in the united states;

Organic -  derived from plants or animalscorrosive -  capable of destroying by a chemical action  particulate -  tiny particle that can be dispersed in a gas