Question

an architect is building an underground storage of gasoline for a new gas station. to keep the gasoline from contaminating nearby groundwater sources, what kind of material should the architect use for the underground storage container? sand thick soil gravel an impervious material

Explanation:

An impervious material is needed to prevent gasoline from leaking into groundwater. Sand, thick soil, and gravel are porous and allow liquids to pass through, which could contaminate groundwater. An impervious material, on the other hand, does not allow liquids to penetrate, thus protecting nearby groundwater sources.

Answer:

an impervious material