Discharging the untreated sewage water into rivers is harmful to aquatic animals.

True

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False

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Solution

The correct option is A True
Aquatic animals use dissolved oxygen in the water to breathe. When untreated sewage is discharged into rivers it reduces the amount of oxygen dissolved in it. So, it becomes more difficult for aquatic animals to survive.

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Similar questions

Untreated sewage is discharged into the rivers. How will it affect the population of aquatic animals in the river?

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