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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 U.S. Army Air Corps' actions on an insulating vent on Mauna Loa volcano in 1935 result in what?
(a) Better seismic readings.
(b) Debris buildup and redirected lava flows.
(c) Cooled lava.
(d) Temporary halt of lava flows.

2. What nickname do the residents of Heimaey give to Sveinn Eiriksson?
(a) Powell.
(b) Grant.
(c) Roosevelt.
(d) Patton.

3. The oldest parts of Iceland are how old?
(a) Fourteen million years.
(b) One and a half million years.
(c) Five millions years.
(d) Twenty-nine million years.

4. Rabalais says he remembers being taught in high school that one day, these would be built:
(a) Skyscrapers along the river banks.
(b) Ships to travel faster along rivers.
(c) Lighter and sturdier barges.
(d) Structures to control water flows.

5. How does Sigurdur Steinthorsson monitor volcanic gases during the 1973 eruption?
(a) Particle detector.
(b) Infrared glasses.
(c) Measuring static electricity.
(d) Smoking cigars.

Short Answer Questions

1. What does Major General Thomas Sands do each year on the Mississippi in late summer or early fall?

2. To cool the lava flows of 1973, what does Valdimar Jonsson suggest?

3. A navigation lock on the bank of the Mississippi River lowers ships down to where?

4. In New Orleans' earliest days, French settlers begin to live there despite the fact that the area:

5. Heimaey is considered to be an important what?

(see the answer key)

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