Across
- 2. BC stands for Before
- 6. Before Common Era
- 8. One of the most important inventions ever
- 9. AD stands for Anno
- 11. Study of the Earth's features
- 12. The longest river in the world
Down
- 1. CE/AD
- 3. The desert surrounding the Nile River
- 4. The Nile River floods once a
- 5. A belief system
- 7. Trade, business, and money are related to
- 10. Blocked enemies from invading Egypt