Some additional content has been added along
with slight revisions in many areas. Tables and
illustrations have been refined and updated, and
a number of photographs and figures have been
added or replaced to improve the visual quality
and clarity. Some of the chapter worksheets have
also been revised. Website addresses have been
moved to the Online Learning Center at www.mhhe.com/floyd19e where they may be more
easily accessed and updated as needed. Additional
questions and exercises will continue to be
added to the Online Learning Center. Finally, several
new terms have been added to the Glossary.