Which type of pollution source is diffuse and cannot be traced to a single origin?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

Which type of pollution source is diffuse and cannot be traced to a single origin?

Explanation:
Non-point source pollution is diffuse and cannot be traced to a single origin. It comes from many places over a wide area, such as rainfall washing fertilizers from fields, oils and debris from roads, and pesticides from lawns into streams. Because there isn’t one identifiable discharge point, tracing the pollution back to a single source isn’t possible. In contrast, point source pollution comes from a specific outlet like a pipe or chimney, which is easy to identify. So the description matches non-point source pollution best.

Non-point source pollution is diffuse and cannot be traced to a single origin. It comes from many places over a wide area, such as rainfall washing fertilizers from fields, oils and debris from roads, and pesticides from lawns into streams. Because there isn’t one identifiable discharge point, tracing the pollution back to a single source isn’t possible. In contrast, point source pollution comes from a specific outlet like a pipe or chimney, which is easy to identify. So the description matches non-point source pollution best.

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