Australia is the smallest continent by land area. It covers approximately 7.7 million square kilometers, making it smaller than Europe, Antarctica, and South America. Despite being a continent, it is often referred to as a country due to its single national government.
A. Europe
Incorrect. Europe is larger than Australia in terms of land area.
B. Australia
Correct. It is the smallest continent in both size and population (excluding Antarctica).
C. Antarctica
Incorrect. Antarctica is larger than Australia.
D. South America
Incorrect. South America is significantly larger than Australia.