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This quiz consists of 5 multiple choice and 5 short answer questions through Part II: Elements of Chaos, "Wildfire" - "Unbreathable Air".

Multiple Choice Questions

1. Of the 71% of the planet that is covered in water, approximately what percentage is fresh?
(a) 8%.
(b) 2%.
(c) 4%.
(d) 6%.

2. In 2014, a toxic event struck Lake Erie, when fertilizer from farms in Ohio spawned an algae bloom that cut off drinking water for what city?
(a) Cleveland.
(b) Hamilton.
(c) Toledo.
(d) Detroit.

3. How many acres did the Thomas Fire grow in one day in 2017?
(a) 10,000.
(b) 30,000.
(c) 25,000.
(d) 50,000.

4. In the United States, leaks and theft account for an estimated loss of what percentage of freshwater?
(a) 16%.
(b) 12%.
(c) 34%.
(d) 5%.

5. What word from Part I: Cascades refers to the explanation of phenomenon by the purpose they serve rather than by postulated causes?
(a) Teleology.
(b) Vectorology.
(c) Endography.
(d) Phylology.

Short Answer Questions

1. What lake supplies much of Las Vegas's water?

2. How much of the population in the sugarcane region of El Salvador has chronic kidney disease?

3. How many pounds of grain does it take to produce a single pound of hamburger meat?

4. National Geographic calculated that what percentage of the planet's water is available to fuel and feed its 7 billion people?

5. How much in damages did Hurricane Florence wreak on North Carolina in 2018?

(see the answer key)

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