Question

how does groundwater become polluted? a. pollutants mixed with water pass through permeable layers above the aquifer. b. factories dump their waste directly into aquifers. c. refuse infiltrates the water table when garbage is dumped. d. all of the above. please select the best answer from the choices provided

Explanation:

Pollutants can mix with water passing through permeable layers into aquifers (a). Factories dumping waste directly into aquifers (b) and refuse infiltrating the water - table when garbage is dumped (c) are also ways groundwater can become polluted. So all these factors contribute.

Answer:

d. All of the above