After testing its water, a city water department issues a report to the related citizens, noting what chemicals have been identified, their doses, and the estimated risks of exposure at these levels. This report represents a type of
A) exposure assessment.
B) dose-response assessment.
C) hazard assessment.
D) risk characterization.
D
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You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would
A. expand and likely lodge in your throat. B. become radioactive. C. become arsenic. D. have a change in flavor.
Evidence of widespread continental glaciation during Late Paleozoic can also be explained by a period of global Ice Age. This hypothesis was rejected by Wegener because:
a) He found evidence of land living reptiles in South America and Africa b) He found fossil evidence of warm water corals and coal swamps that could not form during an Ice Age c) He found that mountain chains across the Atlantic Ocean match d) He found similar rock types on South America and Africa e) He had no evidence to disprove it. He just wanted to reject any alternate explanation except his own.
What is sea level pressure and why is it important?
What will be an ideal response?
Which of the following terms best describes the practice of environmental science?
A) Highly specialized B) Integrative and interdisciplinary C) Abstract D) Theoretical