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Graph the equation.
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Highest Levels
The most extreme or advanced point within a specific context or system.
Photochemical Smog
Air pollution created by the reaction of sunlight with pollutants such as nitrogen oxides and volatile organic compounds in the Earth's atmosphere.
Primary Pollutants
Pollutants that are emitted directly from identifiable sources and enter the air or water in a harmful form.
Sulphur Dioxide
A toxic gas with a pungent, irritating smell, produced by burning sulfur in the air. It is used as an industrial pollutant and also occurs naturally in volcanic emissions.
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