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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9.

Multiple Choice Questions

1. Why did the volcano explosion in Sumatra affect Earth's climate?
(a) It caused a tsunami.
(b) It shifted one of the plates in Earth's crust.
(c) It sent millions of tons of ash and debris into the atmosphere.
(d) It heated Earth's atmosphere.

2. What event caused Earth's most recent mass extinction?
(a) A temporary lowering in the temperature of the Sun.
(b) A collision with a comet or asteroid.
(c) The formation of the Moon.
(d) Mass flooding caused by global warming.

3. How far south did North American glaciers reach during the last Ice Age?
(a) As far south as the Equator.
(b) As far south as the Gulf of Mexico.
(c) As far south as the Great Lakes.
(d) As far south as the Ohio River.

4. What is the name of the interglacial that we are currently in?
(a) The Eemian.
(b) The Atlanticum.
(c) The Holocene.
(d) The Subboreal.

5. How do scientists measure the movement of North America each year?
(a) In inches.
(b) In feet.
(c) In yards.
(d) In miles.

Short Answer Questions

1. What is the Triple Frontier?

2. What is the easiest way to trace how terrorist groups get funded?

3. Which of the following cities is a popular haven for terrorists?

4. What was Earth like during its first 800 million years?

5. In which of the following countries are Muslims and Christians at war with each other?

(see the answer key)

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