Which of the following is true?
A) Natural sources of air pollution are not a concern in terms of human health.
B) Natural sources of air pollution are a relatively new occurrence.
C) Though infrequent, natural events that produce air pollution may cover large areas.
D) There is no reason to be concerned about natural sources of air pollution.

Question

Quizplus · Accepted Answer

Natural events such as forest fires, volcanic eruptions, and dust storms can produce air pollution that may cover large areas, although they are not frequent occurrences. The other options are incorrect as natural sources of air pollution can still impact human health and have been present throughout Earth's history.

Which of the Following Is True