Across
- 3. who studies climates
- 9. weather
- 10. unable to breathe underwater
- 11. be very hungry
- 17. appear
- 18. in danger
- 20. a raised line of water
Down
- 1. rise
- 2. near sea level
- 4. gas that traps heat from the sun
- 5. bring down in amount
- 6. increase world temperatures
- 7. needing attention
- 8. news article
- 12. layer of frozen water
- 13. no longer exists
- 14. warm covering
- 15. become hot
- 16. disappear
- 19. somethink to capture and not allow to escape