Answer:
Among the options given on the question the correct answers are given below.
1.It is a secret ballot names of all candidates appear on a single ballot.
2.It is prepared by the state or country at a public expense.
3.It is distributed at polling places by the election officials.
Explanation: Australian ballot also known as the secret ballot is voting method in which voter can chose their candidate in any election or referendum anonymously through secret and prevent the political parties from vote buying, blackmailing or forcing the voters.
Australians ballot are known as secret ballot because of the voters can choose their candidate secretly without anybody's presence. Most of the democratic countries have this Australian or secret ballot voting method,
This method was used in the ancient Greece and now a days it is used in UK,USA, other European and Asian countries. Although some states in USA has mailing system of vote which violate a condition of the Australian ballot.Because in these states the ballots are not distributed on the polling center.
However, this method is secret, ballots are printed by the country at public expense and distributed on the polling places.