Of the choices listed on flow characteristics alone, if the following aquifers became contaminated, which would remain contaminated for the longest time?

Question

Quizplus · Accepted Answer

Clay has very low permeability compared to gravel, limestone, and sand, meaning it allows fluids to pass through it much more slowly. This slow movement means contaminants in clay aquifers would take much longer to disperse or be flushed out, leading to longer contamination periods.

Of the Choices Listed on Flow Characteristics Alone, If the Following