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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters III-IV.

Multiple Choice Questions

1. What did Luis Alvarez decide to use to clock the clay in Gola del Bottaccione?
(a) Iridium.
(b) Plutonium.
(c) Uranium.
(d) Radiometrics.

2. Where was Walter Alvarez's father a physicist?
(a) University of California-Berkeley.
(b) Harvard.
(c) Princeton.
(d) Brown.

3. Worldwide, how many amphibians species had been identified?
(a) About 5,000.
(b) 3,500.
(c) Just over 7,000.
(d) 4,500.

4. How tall were adult auks?
(a) About 3 feet tall.
(b) 1 1/2 feet tall.
(c) More than 2 1/2 feet tall.
(d) 4 feet tall.

5. How old was Charles Darwin when he was invited to serve as a sort of gentleman's companion to the captain of the HMS "Beagle"?
(a) 20.
(b) 19.
(c) 21.
(d) 22.

Short Answer Questions

1. Where was the first clue discovered as to what was killing off frogs around the world?

2. When Europeans first landed on an island in Newfoundland, how many auk was it estimated were there?

3. When were the first mastodon bones discovered that were subjected to scientific study?

4. When was the Alvarezes' paper "Extraterrestrial Cause for the Cretaceous-Tertiary Extinction" published?

5. When did Alvarez get a job at Berkeley?

(see the answer key)

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