3. One major problem of infectious diseases is that they
4. A global strategy to slow the spread of AIDS (according to the World Health Organization) has this priority:
5. Causing the deaths of many children under the age of five by dehydration, this disease is
6. Ethyl alcohol, found in alcoholic beverages, can cause harm or birth defects to a fetus or embryo. Because of its effects, it is called both a toxic chemical and a
7. Chemicals that specifically harm the human nervous system are called
8. Hormonally active agents (HAAs)
9. Toxicology is
10. Several factors can affect the level of harm caused by a chemical. Which is not one of these?
11. A person is exposed to a certain substance and feels an immediate reaction. Her reaction is
12. In order to test the effects of potentially harmful chemicals, experiments often
13. Animal testing is giving way to cheaper, faster, and more humane methods. Which is not one of these?
14. All natural chemicals are safe.
15. The greatest risk in life is
16. It has been said that most people don't know how to evaluate risks. Which of the following has the highest risk associated with it?
17. Which of the following statements regarding the earth's atmosphere is false?
18. The layer of the atmosphere closest to the surface of the earth is the
19. Earth's atmosphere provides
20. The ozone layer is found in the
21. Air pollution
22. Which of the following is not a direct source of pollution?
23. ________ are harmful chemicals emitted directly into the air from natural processes and human activities.
24. All of the following can contribute to smog except
25. A temperature inversion exists when a layer of cool air lies above a layer of warm air.
26. Human activities that add excessive amounts of nitrogen oxides and sulfur dioxide to the atmosphere will most likely result in
27. Smokestacks at industrial plants can lead to
28. One challenge with combating acid deposition is that
29. Levels of many pollutants are often ________ inside a car or building than they are outside.
30. Examples of indoor air pollutants include all of the following except
31. One lifestyle change to combat the effects of air pollution would be to
32. One of the first and still most important laws passed by the United States to address air pollution was the
33. A way to address air pollution from stationary sources would be to
34. A way to address air pollution from mobile sources would be to
35. Which of the following would most likely reduce indoor air pollution?
36. The future of improving air quality involves not just cleaning the air, but also
37. Which of the following factors have affected the earth's climate?
38. Our climate over the past 10,000 years can best be described as
39. All of the following human activities have contributed to increases in greenhouse gases except
40. The rapid rise in global mean temperatures over the past few decades could have been caused by an increase in solar output from the sun.
41. A region of the planet that has served as a large carbon sink is
42. Which of the following statements is false?
43. In terms of water, the earth is currently experiencing
44. Predicted impacts from global warming include all of the following except
45. A species immediately impacted by global warming is the
46. Which of the following factors describes the impacts of climate change?
47. The dirtiest fossil fuel is
48. The most notable country not providing support for the Kyoto Protocol was
49. The amount of carbon generated by your lifestyle is known as your
50. The atmospheric ozone layer that shields the earth from the sun is found in the
51. The so-called "ozone hole" appears strongest each year above
52. Chlorofluorocarbons (CFCs) have been used as all of the following except
53. Ozone thinning can lead to more occurrences of skin cancer, the worst of which is
54. Stratospheric ozone depletion can never be reversed.
Brendan Swanson