Wegener's Continental Drift Hypothesis
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Questions and Answers

What was Alfred Wegener’s hypothesis called?

  • Tidal Forces Hypothesis
  • Ocean Current Hypothesis
  • Pangaea Drift Hypothesis
  • Continental Drift Hypothesis (correct)

What was the main criticism from Wegener's colleagues regarding his hypothesis?

  • The temperature of the Earth
  • The lack of a plausible mechanism for continental movement (correct)
  • The number of published editions
  • The size of the Pangaea landmass

What was Wegener's book called where he presented his continental drift hypothesis?

  • The Origin of Continents and Oceans (correct)
  • The History of Icebreakers
  • The Future of Pangaea
  • The Theory of Tides

According to Wegener, around how many years ago were all continents joined into Pangaea?

<p>300 million years ago (D)</p> Signup and view all the answers

What was one of the early hypotheses about moving continents?

<p>Centrifugal forces (A)</p> Signup and view all the answers

Why did one scientist conclude that Earth would stop rotating in less than a year if centrifugal forces were strong enough to move continents?

<p>The expected force would slow down Earth's rotation significantly (D)</p> Signup and view all the answers

Why was Wegener's hypothesis of continental drift not widely accepted initially?

<p>The absence of a mechanism to explain the drift (A)</p> Signup and view all the answers

What concept did Arthur Holmes elaborate on in relation to continental drift?

<p>Thermal convection in the mantle (C)</p> Signup and view all the answers

How did the technological advances mentioned in the text impact the acceptance of continental drift?

<p>They provided tools to gather more evidence for plate tectonics (C)</p> Signup and view all the answers

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