Geography

Card Set Information

Author:
kdrive2
ID:
12560
Filename:
Geography
Updated:
2010-03-30 21:42:24
Tags:
geography
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Description:
Test #3
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  1. What was the volcanic eruption that cause the worst famine of the 19th century?
    Tambora
  2. What percent of earth is water?
    71%
  3. What is outgassing?
    The continuous process of water coming from below the earth's crust
  4. What is the change in global sea level called?
    Eustasy
  5. How much of earth's water is ocean saltwater?
    97.22%
  6. Where does most of the earths freshwater come from?
    Glaciers
  7. Water easily dissolves other molecules because it is ___
    solvent
  8. What causes surface tension and polarity in water molecules?
    hydrogen bonds
  9. ice is (more/less) dense than water
    less
  10. The phase change of water from a gas to a liquid and vice versa is calle
    sublimation
  11. In order to change the state of H2O, heat energy must be ____ or _____
    absorbed or released
  12. The latent heat of melting or freezing requires how many calories?
    80 cal/g C
  13. How many calories does the latent heat of sublimation require?
    680 cal/g C
  14. latent heat of vaporization or condensation requires how many calories?
    540 cal/g C
  15. How many calories does it take to raise 1 g of water 1 degree C?
    100 cal
  16. IN NATURE, how many calories does it take to evaporate 1 g of water?
    585 cal

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