The example that not indicate the point source pollution is the pesticide, herbicides, animal waste, and irrigation. Option D is correct.
What is point source pollution?
Point source pollution is defined by the United States Environmental Protection Agency as “any single specifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship, or manufacturing smokestack.”
Point sources include factories and sewage treatment plants, oil spills, irrigation, fertilizers, pesticides, leaky underground storage tanks, drainage from industrial plants, etc.
Therefore, option D is correct.
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