Other questions in this quiz

2. The extinction of dinosaurs was how many years ago?

  • 65 Ma
  • 25 Ma
  • 100 Ma
  • 75 Ma

3. Ga is how many years ago?

  • 1 thousand
  • 1 billion
  • 1 million
  • 1 hundred

4. What gas trapped in rocks is used to work out the temperature at the time of formation?

  • Methane
  • Carbon
  • Oxygen
  • Nitrogen

5. Which crust is younger?

  • Oceanic
  • Continental

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