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This quiz consists of 5 multiple choice and 5 short answer questions through Los Angeles Against the Mountains.

Multiple Choice Questions

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

2. Both Iceland and Hawaii are the world's most what?
(a) Inhabited islands.
(b) Productive geophysical hotspots.
(c) Earthquake-prone islands.
(d) Dangerous places to live.

3. In 1928, Congress enacts the Flood Control Act to start what?
(a) Rivers, Tributaries, and Levees Effort.
(b) Atchafalaya River and Levees Project.
(c) Mississippi River and Tributaries Project.
(d) Old and New Rivers Effort.

4. The Old River Control began its operations in what year?
(a) 1917.
(b) 1931.
(c) 1988.
(d) 1963.

5. What often precedes the heaviest rainfall that can trigger a debris flow down the San Gabriel Mountains?
(a) Five or more days of rain.
(b) Tornadic activity.
(c) Strong desert winds.
(d) Dry lightning.

Short Answer Questions

1. What does "City Flow" do in Heimaey?

2. When was the Kent, a small towboat used by the U.S. Army Corps, put into service?

3. How many people live on the Los Angeles County coastal plain below the San Gabriel Mountains?

4. The author states that these man-made objects are dragged down the mountain by the debris flow towards the Genofile family's home:

5. How long does the the Mauna Loa eruption of 1984 last?

(see the answer key)

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