Soil Composition and Formation Quiz
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Questions and Answers

What is the primary process responsible for the formation of soil?

  • Weathering (correct)
  • Deposition
  • Transportation
  • Erosion

    • What are the main components of soil?

  • Parent rock, organic material, air, and water (correct)
  • Humus and air
  • Parent rock and minerals
  • Organic material and water

    • Which type of soil is produced when the parent material is sandstone?

  • Peaty soil
  • Clay soil
  • Sandy soil (correct)
  • Loamy soil

    • Which form of weathering involves the breakdown of rocks by external or internal forces?

    <p>Mechanical weathering</p> Signup and view all the answers

    What happens to water in cracks in rocks during freeze-thaw weathering?

    <p>It expands</p> Signup and view all the answers

    What is the main cause of weathering in the Caribbean according to the text?

    <p>Colliding rocks from moving water in rivers or waves</p> Signup and view all the answers

    What is the abrasive agent that causes the wearing away of rock surfaces in very dry regions?

    <p>Sand particles carried by wind</p> Signup and view all the answers

    Which process leads to onion-skin weathering described in the text?

    <p>Repeated expansion and contraction due to high temperatures</p> Signup and view all the answers

    What happens to the outer layers of rocks as a result of onion-skin weathering?

    <p>They shatter and break off in pieces</p> Signup and view all the answers

    How does the temperature change impact rock surfaces according to the text?

    <p>Results in rock cooling and contracting at night</p> Signup and view all the answers

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