Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Unit 7 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 624: 1

Answer

(c)

Work Step by Step

Sludge has started to accumulate faster in the septic tank because the bleach that has been added to the septic system is responsible for causing more breakdown of waste and therefore more sludge forming in the septic tank. The answer is (c).
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