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Helga [31]
3 years ago
14

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwan

ted pollutants from the water?
A. limestone; numerous solution channels and fractures widened by dissolution
B. sandstone; well-cemented with a few, widely spaced vertical fractures
C. unconsolidated medium-grained sand; sand grains are coated with clay minerals
D. lakebeds; unconsolidated very fine-grained sand and silt
Geography
1 answer:
ziro4ka [17]3 years ago
4 0
A. because large pore spaces will allow the pollutants to travel through, unfiltered
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