CIVE 401, Civil Engineering and Society, Fall 2005, Midterm Your name (Last, [MI, ] First):          Your name:    Your Red ID:         Your RED ID:    1. About what year was the name "civil[ian] engineer" first used?     1.  1945 2.  1918 3.  1750 4.  1820 5.  1776    Your answer:    2. What year was the beginning of the Environmental Revolution?     1.  1920 2.  1945 3.  2005 4.  1980 5.  1970    Your answer:    3. What is the approximate chemical composition of the atmosphere?     1.  78% N2; 21% O2, 1% Ar 2.  50% O2; 49% N2, 1% Ar 3.  79% N2; 21% O2 4.  79% O2; 21% N2 5.  99% O2; 1% CO2    Your answer:    4. What value approximates the annual rate of increase of CO2 in the atmosphere?     1.  1 ppm 2.  0.001 ppm 3.  0.01 ppm 4.  10 ppm 5.  0.1 ppm    Your answer:    5. What value approximates the average salinity of the sea?     1.  200 ppm 2.  50,000 ppm 3.  5,000 ppm 4.  35,000 ppm 5.  1,000 ppm    Your answer:    6. What is the average global terrestrial precipitation?     1.  400 mm 2.  1,600 mm 3.  800 mm 4.  1,200 mm 5.  2,400 mm    Your answer:    7. What is the average period of surface-water recycling?     1.  6 days 2.  12 days 3.  365 days 4.  180 days 5.  3 years    Your answer:    8. What is the current concentration (2005) of CO2 in the atmosphere?     1.  130 ppm 2.  255 ppm 3.  528 ppm 4.  378 ppm 5.  492 ppm    Your answer:    9. What year was the term "sustainable development" first used?     1.  1945 2.  1970 3.  2002 4.  1998 5.  1984    Your answer:    10. What is the approximate number of motor vehicles in use throughout the world?     1.  10 million 2.  100 million 3.  750 million 4.  35 million 5.  350 million    Your answer:      Your request was processed at  11:51:31 pm on July 16th, 2025   [ 250716  23:51:31 ]. Please print completed form for your records.