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Question
When is water said to be polluted?
When is water said to be polluted?
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Solution
The correct option is B If it is unfit for drinking
Water is typically referred to as polluted when it is impaired by anthropogenic contaminants and, either does not support a human use, such as drinking water, or undergoes a marked shift in its ability to support its constituent biotic communities, such as fish.
Natural phenomena such as volcanoes, algae blooms, storms, and earthquakes also cause major changes in water quality and the ecological status of water.
Option C is correct.
Water is typically referred to as polluted when it is impaired by anthropogenic contaminants and, either does not support a human use, such as drinking water, or undergoes a marked shift in its ability to support its constituent biotic communities, such as fish.
Natural phenomena such as volcanoes, algae blooms, storms, and earthquakes also cause major changes in water quality and the ecological status of water.
Option C is correct.
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