Environmental

In Hawaii, which type of soil condition common near volcanic areas can affect the stability of foundations?

AA. Clay-heavy expansive soil
BB. Cinder and a'a lava, which may have voids and poor bearing capacity✓ Correct
CC. Permafrost reducing load capacity
DD. Highly alkaline soil requiring pH treatment

Explanation

Cinder deposits and a'a lava can have significant voids and variable bearing capacity, potentially causing foundation instability. This is an important disclosure in volcanic areas.

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