The fact that humans lived in Australia by 40 ka suggests that

Question

Quizplus · Accepted Answer

The best choice is D because it suggests that humans were capable of building boats to travel to Australia, as it was not connected to any other landmass at that time. Options A, B, and C are incorrect because there is no evidence or relevance to suggest that humans' capacity to walk long distances, migration from Europe, or the extension of glaciers into the Southern Hemisphere contributed to the colonization of Australia.

The Fact That Humans Lived in Australia by 40 Ka