According to scientists, when did humans began to migrate out of africa? .

when do most scientists believe that humans first arrived in north america? .

1. Early human migrations are the earliest migrations and expansions of archaic and modern humans across continents and are believed to have begun approximately 2 million years ago with the out of Europe migration of Homo erectus.

2.Humans colonized the New World earlier than previously thought—a ... For decades scientists thought the first Americans were Asian big-game ... people, after a site near Clovis, N.M., where many of their tools came to light. ... Intrigued by the findings, some scientists began looking for similar evidence in North America.

Explanation:

According to scientists, the human began to migrate out of Africa about 70 to 50,000 years ago from East Africa.

Humans arrived in North America about 15,000 years ago.

Explanation:

The first human began to migrate out of Africa towards the southern coast of Asia and to Oceanic in about 50,000 years ago. Homo Sapiens were the first to move out of Africa and were successful in populating and adapting the wide variety of land regions across the world.

Human for the first time arrived in North America through crossing the Bering Land Bridge that existed and connected between Asia and North America, up in the Arctic.