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