Across
- 4. a body of water underground
- 5. man made or produced by humans
- 6. plate boundaries that move away from each other
- 9. most essential characteristic for life to exist
- 12. the concept that the oldest soil layers are at the bottom and the most recent are at the top
- 13. when an oceanic plate subducts under a continental plate
Down
- 1. the largest planet in our solar system
- 2. a land area that drains water to a common body of water
- 3. the object in our solar system with the most mass
- 7. the force that governs the motion of our solar system
- 8. result of 2 continental plate tectonics moving towards each other
- 10. plate boundaries that slide past each other
- 11. plate boundaries that move towards each other