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

Multiple Choice Questions

1. What does the author say happens in the area of the Atchafalaya River in the spring of 1973?
(a) Three hurricanes devastate the region, leaving millions homeless.
(b) River levels rise and surrounding fields are covered in brown floodwater.
(c) Freak storms from the north bring snow to the region, freezing the rivers solid.
(d) Dry conditions bring the river levels down, grounding countless boats.

2. Even though Hawaii's Hilo is often threatened by lava flows, Hilo has thus far been protected because:
(a) A freshwater stream slows the lava flow.
(b) Flows stop within a dozen to one mile of the port.
(c) A tall mountain stands between Hilo and the lava.
(d) Of man-made barriers.

3. Officials propose to protect Hilo, Hawaii's second-largest city and port, against lava flows through what?
(a) Plexiglass shields.
(b) Careful monitoring.
(c) Relocation.
(d) Barriers.

4. When floodwaters cover twenty-six thousand square miles in 1927, how is New Orleans saved?
(a) Layering sandbags along the riverbanks.
(b) Building concrete walls around the city.
(c) Blowing up a downstream levee.
(d) Quickly digging a diversion channel.

5. During the fifty years between New Orleans' floods of 1735 and 1785, what does the author say brings a false sense of security against flooding?
(a) Prosperous economic boom.
(b) Drought conditions.
(c) Extended, raised levees.
(d) Concrete seawalls.

Short Answer Questions

1. The livelihood of approximately how many people is affected by the Old River Control?

2. How are residents and livestock evacuated from Heimaey during the 1973 eruptions?

3. How tall does the erupting volcano in Heimaey grow to above sea level?

4. Who is Raphael G. Kazmann?

5. When the author visits Vestmannaeyjar, what does he notice?

(see the answer key)

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