Geography

What was the volcanic eruption that cause the worst famine of the 19th century?

Tambora
What percent of earth is water?

71%
What is outgassing?

The continuous process of water coming from below the earth's crust
What is the change in global sea level called?

Eustasy
How much of earth's water is ocean saltwater?

97.22%
Where does most of the earths freshwater come from?

Glaciers
Water easily dissolves other molecules because it is ___

solvent
What causes surface tension and polarity in water molecules?

hydrogen bonds
ice is (more/less) dense than water

less
The phase change of water from a gas to a liquid and vice versa is calle

sublimation
In order to change the state of H2O, heat energy must be ____ or _____

absorbed or released
The latent heat of melting or freezing requires how many calories?

80 cal/g C
How many calories does the latent heat of sublimation require?

680 cal/g C
latent heat of vaporization or condensation requires how many calories?

540 cal/g C
How many calories does it take to raise 1 g of water 1 degree C?

100 cal
IN NATURE, how many calories does it take to evaporate 1 g of water?

585 cal

Author

kdrive2

12560

Card Set

Geography

Description

Test #3

Updated

2010-03-31T01:42:24Z

Show Answers