Particulate matter is regulated because
A) particles greater than 2 mm in diameter can be damaging to cars and property.
B) we do not wish to have another Dust Bowl phenomenon like we had in the 1930s.
C) small particles severely inhibit photosynthesis in plants.
D) particulate matter contributes to global warming.
E) particles less than 10 microns can affect heart and lungs.

Question

Quizplus · Accepted Answer

Particulate matter less than 10 microns in diameter can penetrate deep into the lungs and even enter the bloodstream, posing significant health risks to the heart and lungs.

Particulate Matter Is Regulated Because