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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 16-20.

Multiple Choice Questions

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

2. At the time the book was written, how much did the GRACE satellites discover that the ice volume in Antarctica is decreasing per year?
(a) 36 cubic miles.
(b) 43 cubic miles.
(c) 51 cubic miles.
(d) 27 cubic miles.

3. When was Iraq attempting to develop nuclear weapons?
(a) 1994.
(b) 1997.
(c) 1990.
(d) 1999.

4. In Chapter 17, how many shuttles had been lost in more than 100 missions?
(a) 5.
(b) 16.
(c) 2.
(d) 9.

5. About how many people near the Chernobyl reactor were thought to have received about 45 rem each?
(a) 20,000.
(b) 40,000.
(c) 30,000.
(d) 10,000.

Short Answer Questions

1. In 2007, where was a secret nuclear facility discovered when Israel attacked the country?

2. When were high sea surface temperatures in the Caribbean detected by infrared satellites in Chapter 18?

3. What would the temperature of the Earth's surface be without greenhouse gases?

4. How much does a kilogram weigh?

5. About how much energy does a large nuclear plant produce?

(see the answer key)

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