According to the timeline approximately when did the first civilizations emerge?
3000 BCE or 5000 years ago
During which era were these homes built? How do you know?
Neolithic; houses are close together and located near a water source
What is the only animal domesticated during the Paleolithic Era?
dog
According to the timeline, when did the Paleolithic Era begin?
2,000,000 B,C, or 2,000,000 years ago
What do the different colors of tan and brown show you on the map?
that the Bering Strait was once covered by land