Biology for IGCSE & O level - Human Influences On Ecosystems (Section 5 - No. 45)
Which of the following is an example of a non-point source of water pollution?
Industrial discharge pipes.
Sewage treatment plants.
Agricultural runoff from a large area.
Oil spills from a tanker.
Explanation
Non-point source pollution comes from diffuse sources, like runoff from agriculture.
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