2. a. What landform do most scientists think the first people crossed to reach
America?

Bering Strait

The First People Arrive

They probably walked across a land bridge that crossed the Bering Strait. A land bridge may have formed there during the ice ages when ocean levels dropped and exposed land. Most scientists accept the theory of the land bridge to explain how the first people came to the Americas.

buying socks and buying shoes are independent events.

answer; the correct answer is (travel horizontally);