Give a brief argument for the conclusion that the life expectancy of the Aboriginal and Torres Strait Islander population is lower than that of the non-indigenous population and giving a brief explanation of the fact that the life expectancy of the Aboriginal and Torres Strait Islander population is lower than that of the non-indigenous population. Give an example of an appeal to authority that is fallacious and explain why it is fallacious. Give an example of an appeal to authority that is convincing, and explain why it is convincing.