Across
- 3. liquid turning into gas
- 8. the study of marine life
- 12. the amount of dissolved salts in water
- 13. capturing and storing atmospheric carbon dioxide
- 15. tool that measures the density of liquids
- 16. gasses that trap heat in the atmosphere
- 17. a gradual increase in temperature due to the increase of carbon dioxide
- 20. a period of time with little rain
- 22. the average weather in an area over a prolonged period of time
- 23. planted forests in a compact area
- 25. the state of the atmosphere
- 26. a pattern in which species travel
- 27. non living
- 28. living
Down
- 1. gases surrounding the earth
- 2. tool that uses light refraction
- 4. a harmful, non-native species
- 5. an unusual weather event
- 6. rain or snow
- 7. the carbon dioxide a person leaves behind
- 9. north or south pole
- 10. the study of the ocean chemically,physically, and biologically
- 11. the study of time and cyclical patterns in nature
- 14. the permanent loss of a species
- 15. a long period of unusually hot weather
- 18. feature allowing species to survive in its environment
- 19. the capacity to maintain a healthy ecosystem
- 21. heat trapped near the earth's surface
- 24. regions in the earth that are in the middle of the globe