Geologic Time Scale and Dating Methods
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Questions and Answers

Which division in the geologic time scale is defined by containing two or more periods?

  • Eon
  • Era (correct)
  • Epoch
  • Period

    • What type of rock is formed from the cooling of magma?

  • Metamorphic rock
  • Igneous rock (correct)
  • Sedimentary rock
  • Oceanic crust

    • Which layer of the Earth is composed of iron and nickel, making it the most dense layer?

  • Asthenosphere
  • Lithosphere
  • Mantle
  • Core (correct)

    • What is the process that adds sediments, soil, and rocks to a landform?

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

    Which boundary is characterized by tectonic plates moving apart?

    <p>Divergent boundary</p> Signup and view all the answers

    What type of dating method measures the age of an event or object in years?

    <p>Absolute dating</p> Signup and view all the answers

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