The five oceans from smallest to largest are: the Arctic, Southern, Indian, Atlantic and Pacific.

The steppe grassland is primarily found in (A) Asia. The Eurasian Steppe, also known as the Great Steppe, is a vast expanse of grassland that stretches from Eastern Europe to Siberia in Asia. It is one of the world's largest temperate grasslands and spans several countries, including Russia, Ukraine, Kazakhstan, and Mongolia.

New York City is known by many nicknames—such as “the City that Never Sleeps” or “Gotham”—but the most popular one is probably “the Big Apple.” How did this nickname come about? Although uses of the phrase are documented in the early 1900s, the term first became popular in the 1920s when John J.

Canada-United States Border. Stretching a massive 8,893 km, Canada and the United States share the longest border in the world.

The smallest continent is Australia. Therefore, the correct answer is (A) Australia. Australia is both a country and a continent, and it is often referred to as the "smallest continent" due to its relatively small landmass compared to other continents.

Brisbane is not a former capital of Australia. The other cities are all former capitals of their respective countries: 

Karachi: The capital of Pakistan from 1947 to 1959

Auckland: A former capital of New Zealand

Kyoto: A former capital of Japan

Brisbane was the capital of Australia before Canberra from 1842 to 1859.