9) Advantages- it is a renewable energy source and is good for the environment. Also it is reducing green house gas emissions by 25%.
Disadvantages- It does cost quite a lot of money and it does take up a lot of space which will effect farmers. It is also not a reliable source as it only supplies 2 per cent of south Australia's residential customers.
10) The good things about hydro, solar and wind power is that they are renewable energy sources. They reduce green house gas missions which helps the environment at the moment and can also possibly be a replacement for coal power. Also in time it could produce alot of money for the government as the sun and wind is free.
13) the pattern of gas fields is mainly traveling off the coast of western Australia, in the areas west of nsw and Queensland and off the coast of N.S.W and Victoria.
14) a. in the 2004-05 the value of coal was about 16 billion dollars, the value of gold was 5 billion dollars and the value of wool was 3 billion dollars
b. in 2005-06 the value of coal was 25 billion dollars, the value of gold was 6 billion and the value of wool was 2 billion dollars.
c. the commodity with the greatest increase in export value was coal.
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