Questions & Answers

1. What percentage of the world's supply of water is fresh water?
The percentage of the world's supply of freshwater is 2.5%.

2. Where is the world's supply of fresh water found?
2% is found in ice, 0.49% is found in groundwater or soil and 0.01% is found in the atmosphere, rivers and lakes.

3. Even thoough the supply of fresh water is abundant it is still a problem. Why?
Because of run-off and discharging is happening, there isn't much fresh water left.

4. 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.
More rain will come recently than the sounthern tip.
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.
Rain will actually come often in eastern tip, not like the place in western tip of Australia.

5. Observe the map above of water availability per person.
a) Which parts of the world appear to have a large amount of water available per person?
I think the northern side of the map, which is top of asia, top of North America and Canada has the most amount of water available per person.
b) Which parts of the world appear to have a small amount of water per person?
Africa and Europe has the smallest amount of water per person in the map.

6. Observe the diagram of water use.
a) What are the main uses of water?
The main uses of water are Agricultural, Industrial, Community and lastly of all Reservoir.
b) Which uses have increased the most over the last century?
Reservoir has increased the most.