Multiple Choice
Which of the following is true regarding air pollution?
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.
Correct Answer:
Verified
Correct Answer:
Verified
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