Explain why nonpoint source pollution is a greater threat and hazard than point source pollution.

Pollution by non-point sources is more dangerous than pollution caused by non-point sources because they are unknown and identifiable sources that cannot be controlled or ended.

Explanation:

Pollutants are introduced into the environment through sources. These sources can be classified as punctual or non-punctual.

Point sources are so called because they do not have a specific launching point or because they do not come from a precise point of generation. These sources are identifiable and are generally impossible to track, thus making it difficult to control and identify. Examples of non-point sources: the infiltration of pesticides in the soil from agricultural fields, the supply of nutrients in streams and rivers through urban drainage.

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