Seafloor Spreading and Henry Hess Quiz
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Questions and Answers

Which scientist proposed the theory of continental drift?

  • Alfred Wegener (correct)
  • Henry Hess
  • Isaac Newton
  • Charles Darwin

    • What is seafloor spreading?

  • The addition of new crust to the ocean floor
  • The destruction of the ocean floor
  • The movement of ocean floors like a conveyor belt (correct)
  • The movement of continents along a mid-ocean ridge

    • Why did Wegener's hypothesis of continental drift get rejected initially?

  • Lack of evidence for the movement of continents
  • Lack of evidence for the creation and destruction of the ocean floor
  • Lack of explanation for the push or pull of the continents (correct)
  • Lack of evidence for the existence of Pangaea

    • What evidence did Wegener gather to support his theory of continental drift?

    <p>Both look-alike animal and plant fossils and similar rock formations found on different continents</p> Signup and view all the answers

    What did Henry Hess propose as the cause of continental movement?

    <p>Seafloor spreading</p> Signup and view all the answers

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