Environmental Science for AP* (2nd Edition)

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

Chapter 14 - Module 42 - Heavy Metals and Other Chemicals - AP Review Questions - Page 497: 1

Answer

(a)

Work Step by Step

Arsenic is a naturally occurring element that can leach into groundwater from rocks and soil. Its health effects are chronic, not rapid, and removing it from drinking water can be expensive. The answer is (a).
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