Environmental

Nitrogen oxide emissions from vehicles in Tennessee's major urban areas contribute to:

ARadon accumulation in residential basements

BGround-level ozone (smog) formation, which is regulated under the Clean Air Act✓ Correct

CLead paint deterioration in older buildings

DUnderground water contamination

Explanation

Nitrogen oxides (NOx) react with volatile organic compounds (VOCs) in sunlight to form ground-level ozone (smog). Tennessee's major urban areas, particularly Nashville and Memphis, must meet EPA National Ambient Air Quality Standards for ozone under the Clean Air Act.

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Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

Variance

Official permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.

Eminent Domain

The power of government to take private property for public use, with the requirement to pay the owner just compensation.

Adverse Possession

A doctrine by which a person can gain legal title to another's land by openly, continuously, and adversely occupying it for a statutory period.