Layers of the Earth's Crust
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Questions and Answers

Which type of rocks make up the continental crust?

  • Felsic rocks
  • Mafic rocks
  • Basalt rocks
  • Granite rocks (correct)
  • What is the division between the crust and mantle in the lithosphere called?

  • Ultramafic rocks
  • Mohorovicic discontinuity (correct)
  • Tectonic activity
  • Silicates
  • Which layer of the Earth is the thinnest and outermost?

  • Lithosphere
  • Crust (correct)
  • Asthenosphere
  • Mantle
  • Which layer of the Earth is mostly made up of oxygen, silicon, and magnesium?

    <p>Mantle</p> Signup and view all the answers

    What is the cause of plate tectonics?

    <p>The floating of lithospheric plates on asthenosphere</p> Signup and view all the answers

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