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NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story
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The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as
(a) sewers.
(b) sewerage.
(c) transport system.
(d) treatment plant.
Answer:
The answer is (b) sewerage.
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