CIVE 401, Civil Engineering and Society, Fall 2009, Midterm, Section 02

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1. In what century did the Industrial Revolution start?    

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2. When was the world wide web introduced to average users?    

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3. When was the first cast-iron bridge built?    

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4. What is the most common element in the Earth's atmosphere?    

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5. What is the process responsible for the presence of oxygen in the atmosphere?    

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6. What value approximates the annual rate of increase of CO2 in the atmosphere?    

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7. What is the process directly responsible for sediment in the surface waters?    
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8. What is the average period of surface-water recycling?    
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9. What is the current concentration of CO2 in the atmosphere?    
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10. When did societies start to use the concept of "sustainable development"?    
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