Which of the following is not true of fine particulate matter (particles less than one micrometer in diameter)in the atmosphere?
A) Particles may remain suspended in the atmosphere for several weeks.
B) Particles are not readily removed from the atmosphere by rain and snow.
C) Particles are small enough to penetrate into the lungs.
D) Particles can cause a significant reduction in visibility.

Question

Quizplus · Accepted Answer

Fine particulate matter can be removed from the atmosphere by precipitation such as rain and snow. This is why air quality often improves after a rainstorm.

Which of the Following Is Not True of Fine Particulate