Climate Change

2. where most of earth's land mass is located
4. coastal cities are at risk of this if ocean levels rise
6. location of observatory chosen to avoid influences of large forests and or cities
7. period of time where earth's surface temperature is lowered so much that glaciers form in cold areas
10. adjusting our lives to the expected future climate
11. thin layer of gas around the earth
13. an increase in atmospheric moisture can fuel this
14. sea level is increasing due to one of two factors
16. land and ocean surface temperatures have increased since this period of time
17. permanent layers of ice that cover land
19. life form evolved to perform photosynthesis
20. forms as more ice lays down each year

1. the study of intentionally changing natural processes of the Earth
3. frozen seawater that floats on the surface of the ocean
5. glaciers are growing and expanding
8. darker areas on the surface of the sun created from intense magnetic fields
9. period of cooling during the 16th-19th centuries
12. the area of greatest warming
15. indirect measurements
18. when coral polyps eject symbiotic algae that live under stressful environmental conditions