NOTE: this dot point has never been aksed as a 25 mark question (you can check the list of past HSC questions on the home page). However, that is not to say that they cannot ask you. My advice is to briefly touch on this area in case, but remember you always have 2 options in this section anyway.

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Attached is a copy of the relevant information for dot point as well as a useful discussion on the topic by Bryan. You should use both to briefly summarise the topic.