Landbridge Theory by Dr. McDonald https://padlet.com/drwmcdonald/landbridge How and why did people travel from the Eastern Hemisphere to the Western Hemisphere? en-us 2016-08-31 17:55:00 UTC 2026-02-15 22:25:55 UTC hello@padlet.com People migrated from Asia to North America because during the last ice age, more land was accessible. Animals and people crossed this new land (land bridge) and ended up in North America. drwmcdonald https://padlet.com/drwmcdonald/landbridge/wish/120915113
Dr. McDonald]]> 2016-08-31 18:03:57 UTC https://padlet.com/drwmcdonald/landbridge/wish/120915113