Final answer:
South America covers an area of approximately 6.89 million square miles, making it the fourth largest continent in terms of size.
Step-by-step explanation:
South America covers an area of approximately 6.89 million square miles, making it the fourth largest continent in terms of size. It is smaller than Asia, Africa, and North America but larger than Europe and Australia. The continent is known for its diverse physical landscapes, including the Andes Mountains, the Amazon Basin, and the Atacama Desert.