Thursday, March 17, 2011

1.10 1-18

  1. Resources are anything that can be used
  2. Renewable resources are resources that can be used more than one while non-renewable resources can only be used once
  3. They can become non renewable by over-exploitation
  4. Soil is valuable because it allows people to grow things and build things for use
  5. Silviculture is the practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values of the many landowners, societies and cultures.
  6. 164.4 million hectares
  7. $2 Billion
  8. that they only allow a certain amount of it in weight to be fished e.g. 5265 tonnes of southern blue fin tuna a year
  9. Uranium, Coal
  10. Because more seams of minerals are being discovered
  11. Australia is no where near covered in forests only 21% and we only export <1% of our exports our wood compared to 38% japan so we have nearly nothing in forests and we export nothing in Wood
  12. Uranium is a valuable resource because 1 tonne of Uranium creates as much energy as 120000 tonnes of coal 
  13. Because they preserve some sites for future generations.
  14. The Uranium mining scars the land for the uranium which is irreversible.
  15. Australia fishing lands extends all around Australia
  16.  a) Australia's uranium reserves are more in the Northern Territory and Western Australia B) Radium Hill c) Ranger
  17.  
    Country
    Amount Uranium Tonnes
    % world total
    Australia
    1 074 000
    30
    Kazakhstan
    622 000
    17
    Canada
    439 000
    12
    South Africa
    298 000
    8
    Namibia
    213 000
    6
    Russian Federation
    158 000
    4
    Brazil
    143 000
    4
    United States
    102 000
    3
    Uzbekistan  
    93 000
    3
    World total
    3 622 000
    100
  18.  a) i) $300 Mill ii) $180 Mill iii) $550 Million B) $392.4 Million C) It was extremely expensive then dropped allot then it rose quite a bit

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