Across
- 2. Long-term patterns of weather
- 5. The amount of carbon dioxide produced by a person or activity
- 7. Gases that trap heat in the atmosphere
Down
- 1. Energy from the Sun
- 3. When something becomes more acidic
- 4. The layer of gases surrounding Earth
- 5. A place that absorbs and stores carbon dioxide
- 6. Coal, oil, & natural gas formed from ancient plants & animals