Environmental
Vermont's well-known radon gas risk is primarily associated with which geological feature?
ALake Champlain's water table
BGranite, schist, and other uranium-bearing bedrock types prevalent in Vermont's geology✓ Correct
CContamination from agricultural chemicals
DProximity to ski mountains
Explanation
Vermont's bedrock — including granite, schist, and other uranium-bearing rocks — is the primary source of radon gas. As uranium decays, radon gas is released from the soil and rock and can accumulate in basements and lower floors. Vermont has elevated radon levels in many areas.
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