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

Multiple Choice Questions

1. When did the United States place an embargo on Japanese oil imports after they invaded China?
(a) 1940.
(b) 1938.
(c) 1939.
(d) 1941.

2. What prize did Richard Branson offer to anyone who came up with a practical way to remove the carbon dioxide from the atmosphere?
(a) $30 million.
(b) $20 million.
(c) $25 million.
(d) $35 million.

3. How many gama rays were the firefighters of Chernobyl exposed to?
(a) Over a quadrillion.
(b) 750 billion.
(c) 500 trillion.
(d) About a quintillion.

4. When did the space shuttle Columbia explode?
(a) April 23, 2003.
(b) March 11, 2003.
(c) February 1, 2003.
(d) January 9, 2003.

5. From 2005 to 2007, how many storms hit U.S. land when they were still category 4 or 5 hurricanes?
(a) 1.
(b) 2.
(c) 3.
(d) 4.

Short Answer Questions

1. Who did Al Gore take a class from?

2. How long does the radioactivity of iodine-131 last?

3. How far is the moon from the Earth?

4. How many people died from the anthrax letters sent after 9/11?

5. How many times less toxic is plutonium that cyanide?

(see the answer key)

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