climate change

3. when carbon dioxide increases what else increases
5. the process of cutting down forests
6. the greenhouse gas that comes from rotting rice and cows stomachs
10. the adjustment of natural or human systems to a new or changing environment
11. continually frozen ground that occurs when temp remains below 0 for long period
12. collecting and reprocessing a resource so it can be used again
13. release of gas into atmosphere
15. the process plants use to make food

1. the most common greenhouse gas
2. the warmer periods between ice ages
4. long-term shifts in temperatures and weather patterns
7. a cycle that causes the earth's orbit to get closer and further away from the sun
8. a specific event or condition that happens over a period of hours or days
9. a type of fuel made undergroud millions of years ago
14. refers to the average weather conditions as measured over many years