Georgia Pesticide Applicators Practice Exam

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What type of pollution results from various sources like pesticides and fertilizers entering streams?

Point source pollution
Non-point source pollution
Air pollution
Water pollution

The correct answer is: Non-point source pollution

Non-point source pollution refers to contaminants that are not traced back to a single, identifiable source. In this context, the application of pesticides and fertilizers across agricultural fields can lead to runoff during rain events. This runoff carries these substances into nearby streams and bodies of water, making it difficult to pinpoint a specific source of pollution. Unlike point source pollution, which originates from a single identifiable source, such as a factory discharge pipe, non-point source pollution results from cumulative contributions from multiple sources within a broader area. This characteristic makes it a significant concern in environmental management because it complicates regulation and remediation efforts. Understanding this distinction is crucial for effective water quality management and for developing strategies to minimize the impact of pollutants in aquatic ecosystems.