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Soil Depletion (Sec 4 EST)

Learning Goals:

This lesson will help you to:

  • Explain how human activities contribute to soil depletion
  • Describe the structure of a soil (superimposition of layers of different compositions and
    thicknesses
  • Explain the chemical and biological reactivity of a soil based on it composition
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Related Textbook Pages:
  • Observatory: The Environment, Second Year of Secondary Cycle Two, ERPI, 2009, pp. 199 & 214 #17, 18
Additional Resources:
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