Chapter Introduction
FRIEDLAND and RELYEA
Environmental Science for AP®
SECOND EDITION
AP® is a registered trademark of the College Board, which was not involved in and does not endorse this product.
Andrew Friedland
Dartmouth College
Rick Relyea
Rensselaer Polytechnic Institute
W. H. Freeman and Company • New York
AP® is a registered trademark of the College Board, which was not involved in and does not endorse this product.
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Seventh printing
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To Katie, Jared, and Ethan
for their interest and enthusiasm.
–AJF
To Christine, Isabelle, and Wyatt for their
patience and inspiration.
–RAR
