Question

Which of these are common theories that explain how the First Americans came to North and South America?

Check all that are true.

They traveled across the ocean on boats.

They built a land bridge.

They rode across the ocean on large animals.

They migrated across Beringia.

Answer 1

I'm pretty sure they migrated across Beringia with a land bridge... Let me know if I am wrong!

Step-by-step explanation:

B and D