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This quiz consists of 5 multiple choice and 5 short answer questions through Part I: Cascades.

Multiple Choice Questions

1. The author states in Part I: Cascades that all mass extinctions aside from the one that killed off the dinosaurs were caused by what?
(a) Climate change produced by greenhouse gas.
(b) Extraterrestrial intervention.
(c) Asteroids.
(d) Climate change produced by heat storms on the sun.

2. What term did Wallace Smith Broecker help to popularize, according to the author in Part I: Cascades?
(a) Climate change.
(b) Global warming.
(c) Greenhouse gas.
(d) Microplastics.

3. When was the last time that the atmosphere contained 500 parts per million of carbon?
(a) 16 million years ago.
(b) 12 million years ago.
(c) 4 million years ago.
(d) 9 million years ago.

4. For how many years does Wallace-Wells say his mother has smoked in her lifetime?
(a) 67 years.
(b) 34 years.
(c) 58 years.
(d) 23 years.

5. What does the IPCC refer to?
(a) International Panel on Climate Change.
(b) International Protocol for Climate Change.
(c) Imperial Protocol of Climate Change.
(d) International Participation in Climate Correction.

Short Answer Questions

1. What percent of all human experience throughout history is estimated to belong to people right now, according to the author in Part I: Cascades?

2. How many people were evacuated from mainland China due to the Typhoon Mangkhut?

3. Who funded Wallace Smith Broecker's research in the 1970s?

4. When did the United Nations establish its Framework on Climate Change?

5. When did Roger Revelle die?

(see the answer key)

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