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To safeguard against groundwater contamination, sanity landfills are

To safeguard against groundwater contamination, sanity landfills are-example-1
User ATek
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1 Answer

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Hey there!

The correct answer to your question is D.

To safeguard against groundwater contamination, sanitary landfills are lined with plastic.

Usually, sanitary landfills are lined with clay as well.

Thank you!
User Zilong Li
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