Environmental

What is the primary concern with methane gas from a former Kansas landfill adjacent to new residential development?

AMethane is toxic to soil microbes
BMethane can migrate underground and accumulate in building basements, creating explosion and asphyxiation risks✓ Correct
CMethane will contaminate surface water only
DMethane only poses risks in commercial buildings

Explanation

Methane gas generated by decomposing waste in landfills can migrate through soil and accumulate in below-grade spaces of nearby buildings, creating explosive and asphyxiation hazards.

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