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Geography, 30.10.2019 05:31 pedroramirezr2
Which is true about cleaning up contaminated groundwater?
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it usually involves time and money, and rarely returns to its original state.
it will occur naturally over a period of weeks.
it is relatively quick and easy.
it is always difficult and expensive, but can be returned to normal.
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Which is true about cleaning up contaminated groundwater?
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