Across
- 2. a black rock/glass used for trading, jewelry, and cutting
- 4. people who lived in the tropical forest
- 6. people who possible developed first writing system
- 8. first people to settle in the Americas
- 9. in the highlands and produced rich soil from ashes
Down
- 1. people who lived in the highlands
- 3. these covered the south
- 4. two words used to name the huge sculptures of rulers
- 5. these covered the north
- 7. people who used slash and burn technique
