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6. At what depth is the lower mantle-outer core boundary?
7. What is the density of the Oceanic Crust?
- 2.5g/cm3
- 2.9g/cm3
- 2.7g/cm3
8. Which planets have the higher density?
- Both the same
- Terrestrials
- Gas Giants
9. What percentage of the astenosphere is partially melted?
10. Which is the correct sequence for the solar system?
- Mercury-Venus-Earth-Mars-Saturn-Uranus-Neptune-Pluto
- Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Neptune
- Mercury-Venus-Earth-Mars-Saturn-Uranus-Neptune
11. What is the depth of the Earth?
12. How long ago was the Big Bang?
- 14 Billion years
- 4.5 Billion Years
- 9 Billion Years
13. What is the age of the oldest oceanic crust?
14. What is the average density of the Earth?
- 5.5g/cm3
- 4.3g/cm3
- 6.2g/cm3