Environmental Engineering Reference
In-Depth Information
D. Response
E. Toxin
47. The effect of a toxin or drug on an organism.
48. The concentration or amount of a substance experienced by an organism.
49. When a pollutant remains in the environment for a long period of time.
50. A substance that is poisonous to an organism.
51. In which stage of demographic transition do birth rates start to decline?
A. Pre-industrial stage
B. Transitional stage
C. Industrial stage
D. Post-industrial stage
E. Urbanization
52. Where did the most severe nuclear accident occur in the United States?
A. Chernobyl
B. Yucca Mountain
C. Shoreham
D. Three Mile Island
E. Love Canal
53. Which of the following energy sources produce the least emissions?
A. Wind, biomass, and solar
B. Solar, hydroelectric, and wind
C. Wind, biomass, and nuclear
D. Nuclear, solar, and biomass
E. Solar, hydroelectric, and biomass
54. The United States consumes approximately what percentage of the world's oil?
A. 10
B. 25
C. 50
D. 80
E. 95
55. Species that can survive in a variety of habitats with a range of resources are considered
A. Generalists
B. K-selected
C. Specialists
D. r-selected
E. Survivors
56. Which of the following soil types is most effective at retaining water and nutrients at a neutral pH?
A. Silt
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