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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 21-25.

Multiple Choice Questions

1. At 100 miles altitude, what percent is the gravity from what it is on the surface?
(a) 75.
(b) 95.
(c) 80.
(d) 60.

2. How many horsepower was the maximum that the author's 1966 Volkswaagen Beetle produced?
(a) 75.
(b) 50.
(c) 125.
(d) 100.

3. How many people might be killed by a blast in the center of the Rose Bowl on New Year's Day?
(a) 210,000.
(b) 240,000.
(c) 100,000.
(d) 120,000.

4. In Chapter 19, for what time period have written records of temperatures been analyzed?
(a) Early 1800s to the present.
(b) 1850 to the present.
(c) 1600s to the present.
(d) 1700s to the present.

5. When did the U.S. and Russia sign a treaty where they promised to reduce their stockpile of nuclear weapons to less than 6,000 each?
(a) 1991.
(b) 1996.
(c) 1992.
(d) 1998.

Short Answer Questions

1. Per pounds, how many times greater is the energy from fusion than from burning gasoline?

2. In a pebble bed reactor, how deep is the bed of pebbles where the uranium is placed?

3. When did Thomas Robert Malthus write his "Essay on the Principle of Population" (320)?

4. If refrigerators still needed to use as many kilowatt-hours as in 1974, how many new gigawatt power plants would have had to be provided?

5. How many kilotons of TNT were used by Al-Qaeda on September 11, 2001?

(see the answer key)

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