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1. What percentage of Earth's water is frozen in ice?

   1.   ?    2 percent
   2.   ?    3 percent
   3.   ?    1 percent
   4.   ?    4 percent

2. Use the following information and illustration to answer the next 5 questions.
   
   As water cycles, it moves from one part of the hydrosphere to another.
   
   
   
   What process of the water cycle does the label "B" in the illustration represent?
   

   1.   ?    Condensation
   2.   ?    Evaporation
   3.   ?    Precipitation
   4.   ?    Sublimation

3. What process of the water cycle does the label "C" in the illustration represent?

   1.   ?    Precipitation
   2.   ?    Condensation
   3.   ?    Evaporation
   4.   ?    Sublimation

4. What process of the water cycle does the label "A" in the illustration represent?

   1.   ?    Evaporation
   2.   ?    Precipitation
   3.   ?    Condensation
   4.   ?    Sublimation

5. What part of the water cycle does the label "D" in the illustration represent?

   1.   ?    Ground water.
   2.   ?    Run off.
   3.   ?    Deep water.
   4.   ?    Spring water.

6. What part of the water cycle does the label "E" in the illustration represent?

   1.   ?    Run off.
   2.   ?    Ground water.
   3.   ?    Deep water.
   4.   ?    Spring water.

7. The process of water vapour changing state directly to a solid it is known as

   1.   ?    deposition.
   2.   ?    sublimation.
   3.   ?    condensation.
   4.   ?    evaporation.

8. A person who studies Earth's water systems is known as a

   1.   ?    hydrologist.
   2.   ?    oceanographer.
   3.   ?    hydrometer.
   4.   ?    oceanologist.

9. Of all the water on Earth, how much is found in oceans?

   1.   ?    97 percent
   2.   ?    70 percent
   3.   ?    87 percent
   4.   ?    77 percent

10. How much of Earth's surface is covered in water?

    1.   ?    70 percent
    2.   ?    80 percent
    3.   ?    90 percent
    4.   ?    60 percent