Answer :
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There are multiple theories about how Homo sapiens got to Australia:
1. **Possibly on boats/watercrafts:** One theory suggests that Homo sapiens could have reached Australia by using some type of boats or watercrafts to navigate across water bodies. This theory is supported by archaeological evidence of early human seafaring capabilities and the discovery of ancient tools and artifacts on the islands surrounding Australia.
2. **On land bridges:** Another theory proposes that early Homo sapiens might have migrated to Australia through land bridges that connected the continent to Southeast Asia during periods of lower sea levels due to glaciation. This land bridge, known as Sahul, provided a potential pathway for human migration.
Both of these theories have some supporting evidence, but the exact means by which Homo sapiens reached Australia is still a topic of research and discussion among scientists.