Which of the Following Is True Regarding Air Pollution

question 34

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.

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