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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7.

Multiple Choice Questions

1. What does de Blij say that the Snowball Earth theory explains?
(a) It explains Earth's first deep freeze.
(b) It explains how Earth's oceans formed.
(c) It explains why glaciers form during Ice Ages.
(d) It explains the extinction of the dinosaurs.

2. What were climatic conditions like during the Postglacial Optimum?
(a) Similar to today.
(b) Much warmer than they are today.
(c) An Ice Age was going on at the time.
(d) Much colder than they are today.

3. Which of the following empires thrived during the Medieval Optimum?
(a) The Roman and Han Empires.
(b) The Russian and French Empires.
(c) The Aztec and Mayan Empires.
(d) The Empire of Alexander the Great.

4. What causes the drift of Earth's continents?
(a) Ocean currents and tides.
(b) Ice Ages.
(c) Plate tectonics.
(d) The Moon's gravity.

5. Who formulated a grid that is still used to make map projections of the world?
(a) Captain Cook.
(b) Ferdinand Magellan.
(c) Battista Agnese.
(d) Gerardus Mercator.

Short Answer Questions

1. How long ago did the glaciers from the last Ice Age begin to recede?

2. When were the boundaries of nation-states in Africa drawn?

3. Why were many Americans shocked when Nixon went to China?

4. Why does de Blij call global warming a misnomer?

5. What are China's current territorial claims based on?

(see the answer key)

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