Particulate pollution with diameters less than 2.5 micrometers are particularly dangerous because
A) they can penetrate deep into the lungs.
B) they dissolve easily in water.
C) they are chemically neutralized by dissolved carbon dioxide.
D) they dissolve easily in water and they are chemically neutralized by dissolved carbon dioxide.
E) none of the above

Question

Quizplus · Accepted Answer

Particulate pollution with diameters less than 2.5 micrometers are called PM2.5 and are particularly dangerous because they are small enough to penetrate deep into the lungs and even enter the bloodstream. This can cause respiratory and cardiovascular problems, especially in vulnerable populations such as children, the elderly, and those with pre-existing health conditions.

Particulate Pollution with Diameters Less Than 2