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T. Rex And The Crater Of Doom by Walter Alvarez
  • 1. What major theory does Walter Alvarez propose in the book?
A) Ice Age caused dinosaur extinction
B) Volcanic eruptions led to climate change
C) Asteroid impact caused the extinction of dinosaurs
D) Dinosaurs evolved into birds
  • 2. What element is found in high concentrations at the K-T boundary?
A) Titanium
B) Iridium
C) Carbon
D) Gold
  • 3. What was the immediate effect of the asteroid impact?
A) Flooding of the earth
B) Tsunamis
C) Earthquakes
D) Global wildfires
  • 4. Which of the following geological periods did the extinction event occur at the end of?
A) Triassic
B) Cretaceous
C) Paleocene
D) Jurassic
  • 5. What did the iridium layer indicate?
A) Meteor shower
B) Volcanic activity
C) Extraterrestrial impact
D) Continental drift
  • 6. How did other scientists initially react to Alvarez’s theory?
A) Skeptical
B) Indifferent
C) Enthusiastic
D) Supportive
  • 7. Which group of dinosaurs is specifically mentioned in the title?
A) Velociraptors
B) Brachiosaurus
C) Tyrannosaurus rex
D) Triceratops
  • 8. Which term refers to the scientific study of fossils?
A) Geology
B) Anthropology
C) Archaeology
D) Paleontology
  • 9. What did Alvarez use to support his theory of the asteroid impact?
A) Meteorological data
B) Geological evidence
C) Fossilized remains
D) Biological adaptations
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