About 2.5% of the Earth's supply of water is fresh water.
2. Where is the world's supply of fresh water found?
2% is found in the polar ice caps, .49% is found in the form of groundwater and o.o1% os found in the atmosphere, rivers and lakes.
3. Even though the supply of fresh water is abundant it is still a problem. Why?
Although the world;s supply of fresh water is abundant it is still a problem because people an water are distributed unevenly
4.Observe the map of world annual precipitation (opposite).
(a) Describe the changes in rainfall that occur as you move from the southern to the northern tip of Africa.
AS you move from the southern tip of Africa to the northern tip, you pass the Tropic of Capricorn, The Equator and the Tropic of Cancer. Rainfall is highest at the Equator, about 1500 to 2000 millimeters. but is lowest at the Tropic of Cancer, which gets less than 250 millimeters of rainfall a year. I think this is because the Sahara Desert is located there.
(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.
At the west coast of Australia, water is very scarce, less than 250 millimeters of rainfall a year. But as you move closer to the east coast, it gets wetter and wetter. I think this is because the severity of tropical storms is greater that the severity of storms on the west coast.
5. Observe the map of water availability per person.
(a)Which parts of the world appear to have a large amount of water available per person?
Russia, Canada and Indonesia all have large amounts of water available per person. The northern part of South America, western Australia and central Africa also have large amounts of water available per person.
(b)Which parts of the world appear to have a small amount of water available per person?
Parts of North Africa,India, North America and parts of Asia all have small amounts of water available per person.
6. Observe the diagram of water use.
(a)Which are the main uses of water?
The main uses of water are for agricultural and industrial purposes.
(b)Which uses have increased more over the last century?
Use of water for community, industry and agriculture have increased more in the last century.
1 comment:
Nice work on these questions, Madhav. Your answers are right on.
What about looking at the content, then finding an appropriate graphic to insert. You are good enough at grasping the overall concept of the lesson to pull this off.
Think about it.
mh
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