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)Natural events,such as volcanoes and wildfires,produce air pollution and may cover large areas.
D)There is no reason to be concerned about natural sources of air pollution.
E)By definition,natural events cannot produce pollution,only humans can.

Question

Quizplus · Accepted Answer

Natural events such as volcanoes and wildfires can produce air pollution that covers large areas and can affect human health. Natural sources of air pollution have existed for millions of years and can have significant impacts on the environment and human health. Options A, B, D, and E are all incorrect.

Which of the Following Is True