Other questions in this quiz

2. Where is the geophysical Moho?

  • Above layered peridotite
  • Below layered gabbro
  • Below layered peridotite
  • Above layered gabbro

3. What is the first step in the formation of the solar system?

  • Collision of planetesimals
  • Slowly rotating interstellar cloud of gas and dust collapsed
  • Condensation of solid material
  • Accretion of small masses into larger masses

4. Where is the Conrad discontinuity?

  • Between lithosphere and asthenosphere
  • Between upper and lower crust
  • Between lower crust and upper mantle
  • Between asthenosphere and mesosphere

5. What is the age of Earth?

  • 4.7Ga
  • 4.52Ga
  • 4.56Ga
  • 4.54Ga

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