Contributor USGS
“If the Ground Filters Water, Is Groundwater Always Clean?” dispels the idea that groundwater is necessarily clean. The passage explains how groundwater may contain naturally occurring substances and petroleum, organic compounds, or other chemicals introduced by human activities.
“If the Ground Filters Water, Is Groundwater Always Clean?” dispels the idea that groundwater is necessarily clean. The passage explains how groundwater may contain naturally occurring substances and petroleum, organic compounds, or other chemicals introduced by human activities.
Contributor USGS
STUDENT RESOURCE
Sixth grade, Seventh grade, Eighth grade
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