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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 the mid-1980s in California, how many years in a row were there below-average rain and snowfall?
(a) 7.
(b) 3.
(c) 6.
(d) 5.

2. How many tons of jet fuel did each plane carry in the 9/11 attack?
(a) 60.
(b) 55.
(c) 65.
(d) 50.

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

4. How much power can a healthy person produce by pedaling a bicycle?
(a) 1 horsepower.
(b) 1/7 horsepower.
(c) 1/3 horsepower.
(d) 3/4 horsepower.

5. How much larger was a nuclear explosion tested by the Soviets in Chapter 2 than the Hiroshima bomb?
(a) 3,000 times.
(b) 3,500 times.
(c) 2,500 times.
(d) 2,000 times.

Short Answer Questions

1. In Chapter 14, how many lasers were in a building at Livermore?

2. If adjusted for inflation, the 2005 hurricanes of Katrina and Wilma were not more costly than the Okeechobee hurricane that took place in what year?

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

4. In the last century, how much has the cardbon dioxide level risen?

5. How fast was a plane moving that was used as a weapon in the 9/11 attack?

(see the answer key)

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