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This quiz consists of 5 multiple choice and 5 short answer questions through Cooling the Lava.

Multiple Choice Questions

1. The livelihood of approximately how many people is affected by the Old River Control?
(a) 13 hundred.
(b) 3 million.
(c) 3 thousand.
(d) 31 thousand.

2. What does the author observe about historical attempts to control lava?
(a) Too many workers perish.
(b) They're usually not successful.
(c) Lava is impossible to control.
(d) Most have worked well.

3. Initially, Rabalais is hired as a construction inspector to watch for what at the navigation lock?
(a) Trapped seals.
(b) Oversized ships.
(c) Escaping water.
(d) Illegal drug shipments.

4. On January 23, 1973, the five thousand residents of Heimaey, the only populated island of Vestmannaeyjar, are threatened by what?
(a) War.
(b) Lava.
(c) Flu epidemic.
(d) Cracking ice shelf.

5. How much water is pumped onto a lava field directly in the path of the moving mountain headed towards Heimaey's town and harbor?
(a) Three thousand gallons.
(b) Thirty trillion gallons.
(c) Three hundred thousand gallons.
(d) Thirty million gallons.

Short Answer Questions

1. Results of the U.S. Army Air Corps' actions on an insulating vent on Mauna Loa volcano in 1935 cannot be confirmed because:

2. Both Iceland and Hawaii are the world's most what?

3. What does James B. Eads invent to explore the Mississippi River?

4. Reykjavik is the capital city of what nation?

5. In Heimaey, who is Sveinn Eiriksson?

(see the answer key)

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