Lesson 1.4 Earth's Subsystems

10 Questions | Total Attempts: 22

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Lesson 1.4 Earth

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Questions and Answers
  • 1. 
    The earth is a closed system.
    • A. 

      True

    • B. 

      False

  • 2. 
    Oxygen is the most abundant element present in the atmosphere.
    • A. 

      True

    • B. 

      False

  • 3. 
    The geosphere refers to all life forms and organic matter.
    • A. 

      True

    • B. 

      False

  • 4. 
    About 30% of the Earth is covered with liquid water.
    • A. 

      True

    • B. 

      False

  • 5. 
    Biogeochemical cycles such as hydrologic and carbon cycles exhibit how Earth's four subsystems interact.
    • A. 

      True

    • B. 

      False

  • 6. 
    Oceans act as sinks of carbon dioxide. 
    • A. 

      True

    • B. 

      False

  • 7. 
    A closed system allows the exchange of matter and energy.
    • A. 

      True

    • B. 

      False

  • 8. 
    Carbon is stored in geosphere as coal and oil deposits.
    • A. 

      True

    • B. 

      False

  • 9. 
    Which of the following subsystems is/are affected after Mt. Pinatubo erupted in 1991? 
    • A. 

      Atmosphere

    • B. 

      Hydrosphere

    • C. 

      Geosphere

    • D. 

      Biosphere

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