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.

The system of a network of pipes used for taking away wastewater from

1.	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» (b) sewerage.