What are the factors responsible for pollution of the river?
Defecating in the river
Throwing garbage, flowers, idols of gods into river
Industrial units discharging toxic chemical wastes into the river
All of the above
A
Industrial units discharging toxic chemical wastes into the river
B
Defecating in the river
C
Throwing garbage, flowers, idols of gods into river
D
All of the above
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Solution
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All of the given options add harmful chemicals and toxins to the water, making it unfit for the habitation of aquatic animals, or use by human beings.
Hence, the correct option is D.
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