Across
- 2. a detailed investigation
- 5. landscape
- 6. large endangered sea mammal
- 8. to make aware of danger
- 10. lesson about staying alive
- 11. person who studies sea life
- 13. single huge land mass
Down
- 1. place where scientists are working
- 2. transport pulled by dogs over snow
- 3. narrow opening
- 4. someone who has just arrived
- 7. to adjust to different conditions
- 9. to go above the horizon
- 12. to get lower