Geologic History: Precambrian to Mesozoic Eras
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Questions and Answers

What is the approximate temperature of the Earth's Inner Core?

  • 3000℃ - 4000℃
  • 5000℃ - 6000℃ (correct)
  • 4000℃ - 5000℃
  • 1000℃ - 2000℃
  • What type of crust is relatively thin and dense?

  • Continental Crust
  • Oceanic Crust (correct)
  • Old granite
  • Young Continental Crust
  • During which era did the first single-celled and multi-celled organisms emerge?

  • Precambrian era (correct)
  • Cenozoic era
  • Mesozoic era
  • Palaezoic era
  • What drives the movement of the Earth's plates?

    <p>Convection Currents</p> Signup and view all the answers

    During which era did the Rocky Mountains form?

    <p>Mesozoic era</p> Signup and view all the answers

    What is the average thickness of the Earth's crust?

    <p>35km</p> Signup and view all the answers

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