Which of the following is not an example of point source pollution?
a) kepone manufacturing plant's discharge into the james river
b) factory farms discharging cow manure into rivers
c) general electric discharge of pcbs into the hudson river
d) reserve mining company's dumping asbestos into lake superior

Factory farms discharging cow manure into rivers is not an example of point source pollution.

Option B

Explanation:

Rivers & streams are often polluted by the discharge dumped into it by industries and factories and can often contaminate it to an extent that the water becomes unfit for drinking purposes. This pollution can be caused by a point source or non point sources.

Point source pollution is a result of the discharge of pollutants through any discrete conveyance like pipes, etc. Major causes of point source pollution are sewage plants, industries, and factories. In the present question, all are the examples of point source pollution except the discharge of cow manure from factory farms.

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explanation:

to stay where they were until m sent for