Answer
A
Work Step by Step
The combination of pipes and lawns makes up the leach field. The soil in the lawns filters water seeped out through perforations on the pipes.
Environmental Science for AP* (2nd Edition)
by Friedland, Andrew J.; Relyea, Rick
Published by
W. H. Freeman
ISBN 10:
1464108684
ISBN 13:
978-1-46410-868-6
Chapter 14 - Module 41 - Wastewater from Humans and Livestock - AP Review Questions - Page 490: 4
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