Environmental

In NC, which of the following is a potential environmental issue specific to the Piedmont region's geology?

ASaltwater intrusion
BNaturally elevated arsenic levels in groundwater from certain geologic formations✓ Correct
CTsunami risk
DPermafrost

Explanation

Parts of NC's Piedmont have geologic formations (particularly granitic rocks) that can naturally release arsenic and other trace metals into groundwater, a concern for properties with private wells.

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