In Many Areas with Karst Terrain,people Use Sinkholes as Places

question 33

Multiple Choice

In many areas with karst terrain,people use sinkholes as places to dump garbage.What effect might this practice have on the groundwater supply?

• A) None; sinkholes are not connected to groundwater sources.
• B) It clogs the sinkholes so that water cannot percolate into the groundwater.
• C) It could contaminate the groundwater in unconfined aquifers only.
• D) It could contaminate the groundwater in any or all aquifers in the area.

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