Discovering the Secrets of Soil
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Questions and Answers

Which of the following is a traditional definition of soil?

  • A mixture of mineral and organic materials that is capable of supporting plant life
  • A natural product formed from weathered rock by the action of climate and organisms (correct)
  • A mixture of soil microorganisms and vegetation
  • A combination of minerals, organic matter, water, and air

What are the two major types of soil particles in regolith?

  • Residual soil and transported soil (correct)
  • Sand and silt
  • Humus and clay
  • Mineral soil and organic soil

What are the phases of soil development?

  • Rock breakdown and soil formation (correct)
  • Carbonization, oxidation, hydration
  • Physical factors and chemical factors
  • Heating and cooling, freezing and thawing, erosion

What are the visible layers in soil called?

<p>Horizons (C)</p> Signup and view all the answers

What are the components of soil?

<p>Minerals, organic matter, water, and air (C)</p> Signup and view all the answers

Which of the following factors contribute to rock breakdown (weathering) in soil development?

<p>Heating and cooling (C)</p> Signup and view all the answers

What is the functional definition of soil?

<p>A mixture of mineral and organic materials that is capable of supporting plant life (C)</p> Signup and view all the answers

Which type of soil particles are formed in situ and remain in the same location as the parent rock?

<p>Residual soil (A)</p> Signup and view all the answers

What are the phases of soil development?

<p>Rock breakdown and soil formation (C)</p> Signup and view all the answers

What are the visible layers in soil called?

<p>Horizons (D)</p> Signup and view all the answers

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