Across
- 2. The name for the bridge that early humans crossed into north america
- 4. A Land between two rivers that had fertile land and is considered the cradle of civilization.
- 6. Person who learns about past cultures by digging up artifacts
Down
- 1. One of the four earliest civilizations in the world lies on the Nile river
- 3. An early civilization in Mexico that practiced human sacrifice to the gods
- 4. An early civilization that existed in Central America and built temples
- 5. An early civilization in South America that built roads and farmed the mountains