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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters V-VI.

Multiple Choice Questions

1. During a conversation at the pub in the world's narrowest hotel, what favorite subject of Zalasiewicz was discussed?
(a) Cats.
(b) Rats.
(c) Marine life.
(d) Catastrophic events.

2. When the Alvarezes published their hypothesis, how many sites did they know of where the iridium layer was exposed?
(a) 4.
(b) 3.
(c) 2.
(d) 1.

3. In Chapter I, where was a volcanic crater located that is mentioned by the author?
(a) Mexico.
(b) Panama.
(c) Brazil.
(d) Honduras.

4. What type of stone was in the jagged outcropping of Dob's Linn?
(a) Granite.
(b) Sandstone.
(c) Limestone.
(d) Shale.

5. When a second set of mastodon bones were found, where we they sent?
(a) London.
(b) Berne.
(c) Paris.
(d) Berlin.

Short Answer Questions

1. When was the Rabbs' fringe-limbed tree frog first identified?

2. What did golden frogs look like when they walk?

3. What type of crystals did Zalasiewicz's colleagues hope to find at Dob's Linn?

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

5. Worldwide, how many amphibians species had been identified?

(see the answer key)

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