Question
What difficulties did early humans face in migrating to Australia and the Americas and what are the theories about how they overcame those difficulties?
Answers
Ms. Sue
http://en.wikipedia.org/wiki/Early_human_migrations
http://en.wikipedia.org/wiki/Human_migration#Pre-modern_migrations
http://en.wikipedia.org/wiki/Human_migration#Pre-modern_migrations
Ms. Sue
Think about small boats, storms, rudimentary navigation, food, and especially fresh water.