AP Environmental Science Quiz
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ATMOSPHERIC POLLUTION
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A large city records a visible brown haze and rising ground-level ozone (O3) during a week with afternoon temperatures above 32∘C, clear skies, and very light winds. Morning traffic is heavy, and an industrial area upwind releases hydrocarbons from solvent use. Residents report coughing, throat irritation, and worsened asthma symptoms in the afternoon. Which statement best explains the formation of this pollution episode?
Assume the key ingredients present include nitrogen oxides (NOx), volatile organic compounds (VOCs), and strong sunlight.
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