What is the Highest point of Australia?

Sydney is the largest city in Australia by area.

Sir Edmund Barton was the first Prime minister of Australia. Term in office (1 January 1901 to 24 September 1903)

Julia Gillard was the first woman Prime minister of Australia.

Prime Ministers can stay in power as long as they have the support of their party and while their party has the majority of members in the House of Representatives.

Murray river is the longest river in Australia.

Black swan is on the Western Australia flag.

Great Barrier Reef located at North-east side of Australia.

35 % of Australia is classified as desert.

Wallaman falls is the tallest waterfall in Australia.

Probably neither. Things like that tend to depend on your embouchure and how much air you are using. Your friend probably just has a slightly looser embouchure, but you should...