Tuesday, November 10, 2009

Homework



Activities



1.Q. What percentage of the world's supply of water is fresh water?



2.Q. Where is the world"s supply of fresh water found?



3.Q. Even though the supply of fresh is abundant it is still a problem. Why?


4.Q. Observe the map of world average annual precipitation (opposite).
a). Describe the changes in rainfall that occur as you move from the southern to the northern tip of Africa.

b). Describe the changes in rainfall that occur as you move from the western to the eastern tip of Australia along the Tropic of Capricorn.

5. Observe the diagram of water availability per person.

a). Which parts of the world appear to have a large amount of water available per person?

b). Which parts of the world appear to have a small amount of water per person?

6. Observe the diagram of water use.

a). What are the main uses of water?

b).Which uses have increased the most over the last century?

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