Critical Reasoning (CR) | Re: Although the pesticides used in nearby fields are the primary cause of

Although the pesticides used in nearby fields are the primary cause of pollution in the Ellenville River, researchers believe that increased automobile traffic c in the immediate vicinity is a contributing cause, since nearly all water samples taken from the river show signs of contamination from vehicular emissions. Such emissions are not typically considered a major source of water pollution, but researchers hypothesize that vehicular emissions are the source
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