Question

sources of pollution

Answer 1

Point source of pollution is defined by the U. S Environmental protection agency as " any single identifiable sources of pollution from which pollutants are discharged, such as pipe"
For example of point sources include :
Discharges from wastewater treatment plants ; operational waste from industries
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Answer 2

sources of pollution :-

# cars , buses , planes and trucks

# industrial wastes

# loud speakers and horns .

# vegetables or plastic wastes dumped .