Question

When did human beings first arrive in the Americas? How did they get there?

Answer 1

people were across the Americas by 15,000 years ago. The first people to reach America travelled via the Pacific coast.

Answer 2

Answer:

About 30,000 years ago, during the Ice Age, temp. fell and much of Earth was covered by glaciers, sheets of ice up to a mile thick. This exposed a wide bridge of land between Asia and North America that scientists call Beringia.