Biology for IGCSE & O level - Human Influences On Ecosystems (Section 10 - No. 35)
What is the key difference between point-source and non-point source pollution?
Point-source comes from a specific location; non-point source comes from a larger area.
Point-source is easier to control; non-point source is easier to measure.
Point-source is always natural; non-point source is always man-made.
Point-source pollutes the water; non-point source pollutes the air.
Explanation
Point-source pollution comes from a specific place, whereas non-point source pollution comes from a larger area or multiple locations.
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