Geoactive Questions

1.What percentage of the world's supply of water is fresh water? 2.5 % of the world's water supply is fresh water.
2.Where is the world's supply of fresh water found? The world's supply of fresh water is in ice, underground, soil, rivers and lakes.
3.Even though the supply of fresh water is abundant it is still a problem. Why? The reasons water is abundant and is still a problem is because the people and the water on earth is not evenly spaced out.
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. If you start at the southern tip of Africa the annual precipitation is different, but if you were looking at Africa from the West to the East at the Northern tip the West gets less rainfall than the East. As you move up the rain becomes more, then at half way it goes the opposite.
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 East the annual precipitation is at 1000-1500 (mm), and as you move to the West the annual precipitation goes down.
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? The Northern part of South America, the Northern part of North America, the Northern and Western part of Australia, the Northern part of Asia, the Western part of Africa, and the Northern part of Europe are are the places that appear to have a large amounts of water per person.
b)Which parts of the world appear to have a small amount of water per person? The Northern, Eastern part of North America, the Southern part of Asia, the Southern part of Australia, the Northern part of Africa, and the Southern part of Europe are the places that 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? The main uses for water are Agricultural and Industrial
b) Which uses have increased the most over the last century? The uses of water that have increased in the last century are Reservoir losses from evaporation and seepage and Community.