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To prevent the pollution of groundwater, waste water collected from landfills should be A. diluted by mixing it with drinking water. B. filtered by soil and plants. C. piped to nearby lakes and streams. D. treated before it is released.

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3 votes

Answer:

D

Step-by-step explanation:

User Dlask
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Answer:

D.

Step-by-step explanation:

User Ilya Konyukhov
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