Across
- 2. The _ Migrations.
- 4. Believing supernatural forces act through nature.
- 7. Consists of grassy plains and dotted trees.
- 9. What civilization florishes in Mesoamerica?
Down
- 1. The process of when a desert expands.
- 3. Where is the Niger river now?
- 5. The largest desert in the world.
- 6. The _ desert gives way to narrow,scrubby grasslands
- 8. The _ left no written records, only artifacts.