GEN COMBO LOOSELEAF MICROBIOLOGY:A SYSTEMS APPROACH; CONNECT ACCESS CARD
GEN COMBO LOOSELEAF MICROBIOLOGY:A SYSTEMS APPROACH; CONNECT ACCESS CARD
5th Edition
ISBN: 9781260149364
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 24, Problem 5CTQ

PCBs are human-made pollutants that are not synthesized in nature. However, a remote lake in Alaska was found to contain PCBs even though humans had never set foot near this body of water. Based upon what you have learned in this chapter, develop a hypothesis to explain this finding.

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