Other questions in this quiz

2. how thick is the mantle?

  • 2900km
  • 3000km
  • 1999km
  • 8850m

3. how thick is the inner core?

  • 1300km
  • 1400km
  • 2million km
  • 103km

4. how thick is the outer core?

  • 3000km
  • 2200km
  • 2km
  • 22200km

5. how thick is the crust?

  • 65km
  • 70km
  • 60km
  • 66km

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