Other questions in this quiz

2. how old is the oceanic crust

  • 200 million years old
  • 1 billion years old
  • 100 million years old
  • 10 million years old

3. what did the japan earthquake measure

  • 9.0
  • 6.0
  • 5.0
  • 7.0

4. what year did the japan eartquake occur

  • 2008
  • 2010
  • 2011
  • 2009

5. how old is the continential crust

  • 4 billion
  • 3 billion
  • 2 billion
  • 1 billion

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