Desertification: Sophie & Mackenzie

9 Questions | Total Attempts: 60

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Desertification: Sophie & Mackenzie

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Questions and Answers
  • 1. 
    Which of these is NOT a factor contributing to desertification?
    • A. 

      Overgrazing

    • B. 

      Drought

    • C. 

      Deforestation

    • D. 

      Conserving water

  • 2. 
    Only dry and arid climates are at risk for desertification. 
    • A. 

      True

    • B. 

      False

  • 3. 
    How much of the world's land, which is not currently desert, is at risk for desertification?
  • 4. 
    Desertification affects the world on a:
    • A. 

      Biological Level

    • B. 

      Social Level

    • C. 

      Political Level

    • D. 

      All of the above

  • 5. 
    Canada is not at risk for desertification.
    • A. 

      True

    • B. 

      False

  • 6. 
    What was the primary cause of near-desertification in Oak Ridges Moraine, Ontario?
  • 7. 
    Organic matter in soil contains this very important element, crucial to fertile soil. But when released into the atmosphere, it becomes a dangerous greenhouse gas.
    • A. 

      Nitrogen -> Nitrogen Carbonate

    • B. 

      Iron -> Iron Oxide

    • C. 

      Carbon -> Carbon Dioxide

    • D. 

      Hydrogen -> Dihydrogen Monoxide

  • 8. 
    Desertification can not be reversed.
    • A. 

      True

    • B. 

      False

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