Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?
A) limestone with numerous solution channels and fractures widened by dissolution
B) sandstone; well- cemented with a few, widely spaced vertical fractures
C) a sandy loam soil with high organic carbon content
D) lakebeds consisting of unconsolidated very fine- grained sand and silt

Question

Quizplus · Accepted Answer

Limestone with numerous solution channels and fractures allows water to move quickly through it, reducing the time and opportunity for pollutants to be filtered out or broken down.

Which of the Following Geologic Materials Would Have the Highest