Earth Differentiation and Development Quiz
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Questions and Answers

What is the first stage of development of Earth called, suggesting it started out as a molten object?

  • Accretion
  • Flooding
  • Cratering
  • Differentiation (correct)
  • What is the main process responsible for Earth starting out as a molten object?

  • Tectonic activity
  • Continuous bombardment from asteroids (correct)
  • Formation of the crust
  • Outgassing from volcanoes
  • What role does UV light from the Sun play in the fourth stage of Earth's development?

  • Intense cratering
  • Separating nitrogen compounds to produce N2 (correct)
  • Formation of liquid mantle
  • Creation of solid crust
  • What is the stage called when Earth's surface is changing too much to see craters, but the Moon's surface clearly shows continued cratering?

    <p>&quot;Cratering&quot; stage (C)</p> Signup and view all the answers

    What was likely present in Earth's early atmosphere based on the text?

    <p>Methane, ammonia, and water vapor (C)</p> Signup and view all the answers

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