Correct Answer:
B. Australia
The smallest continent in the world by both land area and population is Australia. It is unique in that it is a continent, a country, and a large island all in one. Its landmass is significantly smaller compared to the other six continents, making it distinct in its geographical scale.
- Asia is incorrect; it is the largest continent in the world, covering approximately 30% of Earth's land area.
- Europe is incorrect; while it is the second smallest continent, it is still larger than Australia in terms of landmass.
- North America is incorrect; it is the third largest continent, considerably larger than Australia.