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楼主  发表于: 2010-11-05 19:08
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 [Free ebook] Assessing Toxic Risk

Publisher: NSTA Press (November 1, 2001) | IN: 0873552229 | Pages: 106 | PDF | 5.03 MB

How can we decide what concentration of arsenic is acceptable in public drinking water? What does it mean to say that Vitamin D is a highly toxic chemical? How can we balance the risks of spraying pesticides versus the risks of insect-borne diseases such as West Nile Virus, Lyme Disease, or Malaria? Students discover the answers to these intriguing questions and more by delving into the Cornell Scientific Inquiry Series: Assessing Toxic Risk, Student Edition. It includes five chapters of background text on the basic concepts of toxicology. Also included are planning forms, presentation guidelines, and peer review forms that guide students through self-designed research projects that encourage critical thinking. This integrated approach allows students to discover firsthand the natural links between biology, chemistry, environmental science, and human health.

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