Environmental Geosciences Exam 1

216 Questions | Total Attempts: 35

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Questions and Answers
  • 1. 
    In the theory of plate tectonics, the fragments of lithosphere called plates move over...
    • A. 

      The asthenosphere

    • B. 

      The outer core

    • C. 

      The lithosphere

    • D. 

      The lithosphere

  • 2. 
    In the theory of plate tectonics, the fragments of lithosphere called plates move over...
    • A. 

      The asthenosphere

    • B. 

      The outer core

    • C. 

      The lithosphere

    • D. 

      The lithosphere

  • 3. 
    New oceanic crust is produced:
    • A. 

      At the subduction zones

    • B. 

      At convergent plate boundaries

    • C. 

      At transform plate boundaries

    • D. 

      At divergent plate boundaries

  • 4. 
    New oceanic crust is produced:
    • A. 

      At the subduction zones

    • B. 

      At convergent plate boundaries

    • C. 

      At transform plate boundaries

    • D. 

      At divergent plate boundaries

  • 5. 
    Volcanic island arcs are characteristic for ............................ plate boundary.
    • A. 

      Oceanic - oceanic subduction convergent

    • B. 

      Oceanic- continental subduction convergent

    • C. 

      Continental-continental collisional

    • D. 

      Divergent

  • 6. 
    Volcanic island arcs are characteristic for ............................ plate boundary.
    • A. 

      Oceanic - oceanic subduction convergent

    • B. 

      Oceanic- continental subduction convergent

    • C. 

      Continental-continental collisional

    • D. 

      Divergent

  • 7. 
    Oceanic trenches typically occur along .......................... plate boundaries.
    • A. 

      Divergent

    • B. 

      Transform

    • C. 

      convergent: continental-continental

    • D. 

      Convergent: oceanic-continental

  • 8. 
    Oceanic trenches typically occur along .......................... plate boundaries.
    • A. 

      Divergent

    • B. 

      Transform

    • C. 

      convergent: continental-continental

    • D. 

      Convergent: oceanic-continental

  • 9. 
    The only liquid part of the Earth’s interior is:
    • A. 

      Mantle

    • B. 

      Oceanic crust

    • C. 

      Outer core

    • D. 

      Inner core

  • 10. 
    The only liquid part of the Earth’s interior is:
    • A. 

      Mantle

    • B. 

      Oceanic crust

    • C. 

      Outer core

    • D. 

      Inner core

  • 11. 
    Which of the following is one of the largest lithospheric plates?
    • A. 

      The Fiji plate

    • B. 

      The Eurasian plate

    • C. 

      The Cocos plate

    • D. 

      The Philippine plate

    • E. 

      The Juan de Fuca plate

  • 12. 
    Which of the following is one of the largest lithospheric plates?
    • A. 

      The Fiji plate

    • B. 

      The Eurasian plate

    • C. 

      The Cocos plate

    • D. 

      The Philippine plate

    • E. 

      The Juan de Fuca plate

  • 13. 
    The plastic layer in the upper mantle just below the lithosphere is called the:
    • A. 

      Crust

    • B. 

      Inner core

    • C. 

      Asthenosphere

    • D. 

      hydrosphere

  • 14. 
    The plastic layer in the upper mantle just below the lithosphere is called the:
    • A. 

      Crust

    • B. 

      Inner core

    • C. 

      Asthenosphere

    • D. 

      hydrosphere

  • 15. 
    Movement of the plates ranges from:
    • A. 

      1 to 20 cm/year

    • B. 

      100 to 2000 cm/year

    • C. 

      1000 to 20,000 cm/year

    • D. 

      10,000 to 200,000 cm/year

  • 16. 
    Movement of the plates ranges from:
    • A. 

      1 to 20 cm/year

    • B. 

      100 to 2000 cm/year

    • C. 

      1000 to 20,000 cm/year

    • D. 

      10,000 to 200,000 cm/year

  • 17. 
    Magnetic stripes (zones with opposite magnetic properties) on the seafloor indicate a movement of tectonic plates away from:
    • A. 

      Subduction zones

    • B. 

      Mid-oceanic ridge

    • C. 

      Oceanic trenches

    • D. 

      Continental slopes

  • 18. 
    Magnetic stripes (zones with opposite magnetic properties) on the seafloor indicate a movement of tectonic plates away from:
    • A. 

      Subduction zones

    • B. 

      Mid-oceanic ridge

    • C. 

      Oceanic trenches

    • D. 

      Continental slopes

  • 19. 
    What was the name of the supercontinent that consisted of all the present day continents?
    • A. 

      Eurasia

    • B. 

      Laurasia

    • C. 

      Pangea

    • D. 

      Gondwana

  • 20. 
    What was the name of the supercontinent that consisted of all the present day continents?
    • A. 

      Eurasia

    • B. 

      Laurasia

    • C. 

      Pangea

    • D. 

      Gondwana

  • 21. 
    Typically an oceanic crust is composed of:
    • A. 

      Basalt and gabbro

    • B. 

      Granite and diorite

    • C. 

      Iron and nickel

    • D. 

      Ultramafic rocks

  • 22. 
    Typically a continental crust is composed of:
    • A. 

      Basalt and gabbro

    • B. 

      Granite and diorite

    • C. 

      Iron and nickel

    • D. 

      Ultramafic rocks

  • 23. 
    Typically an oceanic crust is composed of:
    • A. 

      Basalt and gabbro

    • B. 

      Granite and diorite

    • C. 

      Iron and nickel

    • D. 

      Ultramafic rocks

  • 24. 
    The number of protons is an element's:
    • A. 

      Atomic number

    • B. 

      Atomic mass number

    • C. 

      Electron number

    • D. 

      Electrical charge

  • 25. 
    Typically a continental crust is composed of:
    • A. 

      Basalt and gabbro

    • B. 

      Granite and diorite

    • C. 

      Iron and nickel

    • D. 

      Ultramafic rocks

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