Across
- 4. weather for long period
- 6. what we breath out
- 7. a change in the average conditions
- 9. total amount of greenhouse gases
- 10. gases in Earth's atmosphere
Down
- 1. the warmth Earth's atmosphere that is caused by air pollution
- 2. rapid increase in Earth's temperature
- 3. one that can be used repeatedly
- 5. weather for short period
- 8. decomposing plants and animals