1. The 100-yr flood:

1.  lasts 100 years 2.  takes 100 years to happen 3.  occurs once in 100 years, on the average 4.  occurs twice in 100 years 5.  may occur 100 times in 100 years

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2. The cause of droughts is:

1.  natural climatic variability 2.  Act of God 3.  too little runoff 4.  groundwater depletion 5.  forest fires

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3. Hurricanes occur when the ocean water temperature is greater than (degrees Celsius):

1.  18 2.  15 3.  26.5 4.  30.2 5.  37.8

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4. Chaparral burns naturally every:

1.  65 years 2.  10 years 3.  100 years 4.  30 years 5.  150 years

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5. A lahar is:

1.  a volcano eruption 2.  a debris flow due to volcano eruption melting snow and ice 3.  a river carrying two many boulders 4.  a landslide generated by an earthquake 5.  any debris flow

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6. The Wild and Scenic Rivers Act:

1.  protects rivers against undue development 2.  assures that all rivers will remain wild 3.  assures that all rivers will remain scenic 4.  stops the construction of all dams 5.  protects water quality

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7. A stakeholder is:

1.  an environmentalist 2.  an individual or group that can affect or be affected by a project 3.  anybody opposed to civil engineering projects 4.  anybody that hold stock in corporations 5.  anybody that backs the government in development projects

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8. Getting an M.S. degree is apropriate because:

1.  there is more to learn beyond the B.S. 2.  it may lead to a higher income or a more secure job 3.  it qualifies you better in an ever changing world 4.  looks good on your resume 5.  all of the above

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9. Approximately how many motor vehicles are there in the world (in billions)?:

1.  1 2.  0.8 3.  7 4.  2 5.  0.2

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10. What is the current world population, in billions?:

1.  7 2.  1 3.  10 4.  5 5.  12

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11. Renewable energy:

1.  does not add carbon dioxide to the atmosphere 2.  adds methane to the atmosphere 3.  is cheap and easy to implement 4.  is unreliable 5.  is costly

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12. Flood routing is:

1.  avoiding floods 2.  calculating floods 3.  mitigating floods 4.  fighting floods 5.  none of the above

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13. The San Andreas fault runs throught the:

1.  Central valley 2.  Imperial valley 3.  San Diego valley 4.  San Dieguito valley 5.  none of the above

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14. BOD measures the amount of:

1.  organic matter in sewage 2.  contaminants in the air 3.  hazardous materials in soils 4.  solar energy reaching the Earth 5.  none of the above

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15. Recycling makes sense because:

1.  we are running out of scarce materials 2.  we are running out of places to properly store the trash 3.  proposed new dumps face the NIMBY issue 4.  the proper functioning of dumps cannot be guaranteed over a long period of time 5.  all of the above

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16. The biosphere wastes excess:

1.  carbon 2.  salts 3.  sulphur 4.  nitrogen 5.  phosphorous

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17. Accelerated erosion is caused by:

1.  overgrazing 2.  overcultivation 3.  deforestation 4.  cultural (human-induced) desertification 5.  all of the above

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18. Endangered species should be protected because:

1.  they have a right to exist 2.  the principle of biodiversity stands 3.  it makes good sustainable development sense 4.  extinct species will be gone forever 5.  all of the above

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19. While in school, one should:

1.  have fun 2.  go to the library 3.  learn to learn 4.  enjoy time 5.  work with leisure

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20. Ethics is a:

1.  practical principle 2.  moral principle 3.  expedient principle 4.  outdated principle 5.  forgotten principle

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