Final answer:
Section 128 of the Australian constitution outlines the process of amending the constitution through a referendum, requiring majority approval from voters in a majority of states.
Step-by-step explanation:
Section 128 of the Australian constitution outlines the process of amending the constitution. This section specifies how the constitution can be formally changed through a referendum. In order to amend the constitution, a proposed amendment must be approved by a majority of voters in a majority of states. This ensures that any changes to the constitution are supported by a broad consensus among the Australian people.