Across
- 6. level The level or height of the ocean's surface
- 7. The height of land in relation to sea level
- 9. A narrow gap or route through a mountain range
- 10. A stream or river that empties into another river
- 12. A narrow valley with steep walls
- 13. A large inlet of the sea nearly surrounded by land
- 14. The pattern of weather over time in a particular place
- 15. The place a river or stream begins
Down
- 1. A high flat area of land
- 2. Plain The area of low land along the Atlantic Ocean and Gulf of Mexico
- 3. A system of waterways that all drain into the same body of water
- 4. A natural feature of the earth's surface
- 5. An are of land that has water on three sides
- 8. A low, shallow area on Earth's surface
- 11. An opening in the earth's crust through which hot lava, rock, ash and gases are released.