3.10 Analyzing The Science
The graphs below come from a 2005 study by the Toxic-Free Legacy Coalition and the Washington Toxics Coalition to identify chemical residues in the human body (http://pollutioninpeople.org/results). Samples of hair, blood, and urine of ten individuals from Washington D.C. were tested for a variety of toxic substances including mercury and DDT. Data for each individual (identified by his or her initials) are shown for p,p′–DDE (a breakdown product of DDT) and for mercury.
INTERPRETATION
Question 3.12
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Question 3.15
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