Exercise 1.10- Questions 1-18 Page 35

1. Resources are any materials that can be used by humans.
2. renewable resources are resources which are able to be re-used many times. non- renewable cannot be used again.
3. a renewable resource can become a non- renewable resource due to over exploitation.
4. healthy soil is a vital resource that is the basis for Australia's successful agricultural industries. soil is also influential to the water cycle.
5. h
6. nearly 1.7 million square meters.
7. Australia's fishing and agriculture industries are worth more than $2 billion annually.
8. the Australian Fisheries Management Authority (AFMA) set a limit of 5265 tonnes for the southern blue fin tuna catch in 2006.
9. Bauxite, iron ore, lead, zinc, silver, uranium, industrial diamonds and mineral sands.
10. due to improved prospecting and extraction technologies.
11. Australia has an extensive amount of forest area. we have 768 million hectares which is a very large amount, although it is rapidly decreasing, because they have all 8.2 hectares for each person.
12. uranium became a valuable resource in 1945, when the first atomic bomb demonstrated that splitting a uranium atom released enormous amounts of energy.
13. they are resources of great significance on a national and global scale.
14. mining, transporting and processing uranium exposes people to increased health risks.
15. Australia's fishing grounds are all outside of Australia and are only about 10 km outside of our country.
16a. the majority of Australia's spacial distributions of uranium are used for minerals and mining (27%) and for other merchandise (22%) rural and services are on 21% and oil and gas is on only 9%.
16b. Radium hill
16c. Ranger
18a. 1986- $300 million 
1996- $250 million
2006- $530 million
18b. 384 million
18c. the trend for uranium increased at a steady rate, than instantly went up to a very high value and decreased, only to again rocket up.