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Ozone located in the troposphere is _______.a.considered a pollutantb.beneficial to living organismsc.higher in concentration than ozone in the stratosphered.all of the above
Aquifers are _______.a.located below the water tableb.important sources of freshwaterc.located in the saturated zoned.all of the above
A heat source could be considered a source of pollution..
Landfill waste results in air pollution as _______.a.garbage decomposes and releases methaneb.radon trapped in garbage is releasedc.paint and hairspray cans break downd.vandals set fire to flammable waste
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Groundwater
Unit Test