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Used water rich in lather, oil and dirt going down drains from sinks and toilets is called:

AWastewater
BRainwater
CGroundwater
DFresh water
Answer & Solution
Correct answer: A. Wastewater
1. It should not be wasted. 2. This used water is wastewater. 3. Pollutants are removed by treatment. _Source: syllabus Science, Chapter 18, Wastewater Story._
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