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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 6-10.

Multiple Choice Questions

1. In 2008, how much did solar cells cost per square yard?
(a) $50,000.
(b) About $100,000.
(c) Around $75,000.
(d) $125,000.

2. When did President Reagan announced that he had reduced the total yield of the U.S. nuclear arsenal?
(a) 1980s.
(b) 1986.
(c) 1970s.
(d) 1984.

3. In Chapter 5, how much cheaper was coal than gasoline, for the same energy?
(a) 25 times.
(b) 15 times.
(c) 20 times.
(d) 30 times.

4. How many kilotons of TNT were used by Al-Qaeda on September 11, 2001?
(a) 2.1.
(b) 1.4.
(c) 1.8.
(d) 1.5.

5. When was the last date that anthrax letters were sent in 2001?
(a) December 3.
(b) November 16.
(c) October 9.
(d) September 28.

Short Answer Questions

1. How many gama rays were the firefighters of Chernobyl exposed to?

2. How many people might be killed by a blast in the center of the Rose Bowl on New Year's Day?

3. How many square miles of sunlight at midday could provide a gigawatt of electric power?

4. What material was used to assassinate Alexander Litvinenko?

5. How much larger was a nuclear explosion tested by the Soviets in Chapter 2 than the Hiroshima bomb?

(see the answer key)

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