<b>Three statements are provided here which define the terms</b><br><b>(a)</b> sludge<br><b>(b)</b> sewage and<br><b>(c)</b> wastewater.<br><b>Pick out the correct definition for each of these terms.</b><br><b>(a)</b> The settled solids that are removed in wastewater treatment with a scraper.<br><b>(b)</b> Water from kitchen used for washing dishes.<br><b>(c)</b> Wastewater released from homes, industries, hospitals and other public buildings.