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

Multiple Choice Questions

1. In Chapter 17, what speed had unmanned prototypes of scramjets reached?
(a) Mach 11.
(b) Mach 10.
(c) Mach 9.
(d) Mach 8.

2. When did the Soviets carry out a test of the largest man-made nuclear explosion?
(a) April 18, 1961.
(b) October 30, 1961.
(c) July 12, 1961.
(d) March 19, 1961.

3. When was gasoline a key component of the Molotov cocktails used in Spain?
(a) 1950s.
(b) 1940s.
(c) 1930s.
(d) 1920s.

4. Exposure to what level of rem will incapacitate you within hours?
(a) 1,000.
(b) 200.
(c) 300.
(d) 750.

5. In Chapter 14, where was a very large tokamak being built?
(a) Italy.
(b) Germany.
(c) France.
(d) Russia.

Short Answer Questions

1. How many astronauts were killed in the space shuttle Columbia explosion?

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

3. In the NOAA report "The Climate of 2006" (288), how long have strong to violent tornadoes been slowly decreasing?

4. How many acres of spruce forest were killed in Alaska because of warm weather?

5. In Chapter 19, for what time period have written records of temperatures been analyzed?

(see the answer key)

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