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? thick soil an impervious material gravel sand

Explanation:

Impervious materials prevent the passage of liquids (like gasoline) through them. Thick soil, gravel, and sand are porous and can allow gasoline to seep through, potentially contaminating groundwater. An impervious material would act as a barrier to stop this contamination.

Answer:

an impervious material