Earth's Origins and Structure
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Questions and Answers

Which of the following subsystems is NOT a major category of Earth's system?

  • Air
  • Living things (correct)
  • Water
  • Land
  • Which term is used to describe the non-living things in Earth's system?

  • Hydrosphere
  • Biophysical elements
  • Lithosphere (correct)
  • Biosphere
  • What is the accepted age of the universe?

  • 10 billion years
  • 15 billion years (correct)
  • 25 billion years
  • 20 billion years
  • What are the four major subsystems of Earth's system primarily grouped into?

    <p>Biological and physical</p> Signup and view all the answers

    What does the term 'atmo' in 'atmosphere' stand for?

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

    Which factor is NOT one of the five factors of soil formation?

    <p>Biotic Activity</p> Signup and view all the answers

    What is the main source of material for soil formation?

    <p>Weathered rock</p> Signup and view all the answers

    How does the base status of the parent material affect soil pH?

    <p>Low base status produces acid soil</p> Signup and view all the answers

    What does waterlogging in low-lying poorly-drained areas cause in the soil?

    <p>Localized reduced zones</p> Signup and view all the answers

    How does climate affect soil formation?

    <p>It affects the rate and extent of leaching of bases</p> Signup and view all the answers

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