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