Question

as navigation skills advanced, explorers reached the area now known as the straits of magellan. the straits of magellan are located
south of chile and argentina.
at the southernmost point of australia.
between the south china sea and india.
at the southern tip of africa.

Explanation:

The Straits of Magellan is a sea passage in the southern part of South America, positioned south of the countries Chile and Argentina. The other options are incorrect: Australia's southernmost point is not this strait, the area between the South China Sea and India is unrelated, and the southern tip of Africa is the Cape of Good Hope region.

Answer:

south of Chile and Argentina.