Which sentence uses dashes correctly?

Uluru is also known as Ayers Rock—it is a large sandstone formation in central Australia.
Australia is home to some unusual animals such as kangaroos—wallabies—koalas—kookaburras.
Ballaratone is of the centers of the 19th-century Australian gold rush and gold is still being mined—today.
Sydney draws visitors from all around the world to see its iconic architectural masterpiece—the Sydney Opera House.

The sentence that actually uses dashes correctly is: Sydney draws visitors from all around the world to see its iconic architectural masterpiece—the Sydney Opera House.

What is dash?

A dash is a punctuation mark that appears as a long horizontal line. It is actually similar to hyphen and the minus sign but longer than they. It is used to separate groups of words and not parts of words.

We can see here that option D is the sentence that correctly uses a dash. It separates the words: "architectural masterpiece" and "the Sydney Opera House".

Learn more about punctuation mark on https://brainly.com/question/1224394