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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 20.

Multiple Choice Questions

1. Which body of water holds more than half of the planet's water?
(a) Pacific Ocean.
(b) Atlantic Ocean.
(c) Arctic Ocean.
(d) Indian Ocean.

2. According to the author, humans today have 625 percent more what in their bloodstream compared to previous generations?
(a) Alcohol.
(b) Lead.
(c) Chlorofluorocarbons.
(d) Pesticides.

3. The Geiger counter is a:
(a) Magnetic imager.
(b) Voltage meter.
(c) Molecular microscope.
(d) Radioactivity detector.

4. What is the average distance between asteroids found in the inner solar system between Mars and Jupiter?
(a) Ten thousand miles.
(b) A million miles.
(c) Ten billion miles.
(d) A thousand miles.

5. What did the French Compte de Buffon claim about the New World (the Americas) compared to the known Old World?
(a) Everything was smaller and inferior in the New World.
(b) Unusual, enormous species would be found in the New World.
(c) Diseases of the New World would be much more deadly than in the Old World.
(d) The New World was much more fertile than the old.

Short Answer Questions

1. Plate tectonics refers to:

2. Scientists assumed stromatolites were extinct until they were discovered where in 1961?

3. In addition to being a seventeenth-century astronomer, Christopher Wren designed:

4. Which of the following is NOT a quark "flavor?"

5. What percentage of the human body consists of water?

(see the answer key)

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