Environmental
In New Mexico, indoor air quality in adobe and earthen homes may be affected by which naturally occurring substance?
AAsbestos naturally occurring in soil
BRadon, which can enter through earthen floors and walls from uranium-bearing soils✓ Correct
CMercury from natural hot springs
DCarbon monoxide from adobe bricks
Explanation
Radon is a naturally occurring radioactive gas produced by decay of uranium in soil and rock. Adobe and earthen construction with direct soil contact can allow radon entry into living spaces—testing is recommended.
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Key Terms to Know
Zoning
Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.
VarianceOfficial 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 DomainThe power of government to take private property for public use, with the requirement to pay the owner just compensation.
Adverse PossessionA doctrine by which a person can gain legal title to another's land by openly, continuously, and adversely occupying it for a statutory period.
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