Across
- 3. 21% of the modern atmosphere is...
- 5. A greenhouse gas
- 9. The environmental effect of carbon particulates
- 10. The total amount of greenhouse gases emitted is the carbon
- 13. A process that increases atmospheric methane
- 14. The environmental effect of sulfur dioxide
- 15. A way of reducing greenhouse gas emissions
Down
- 1. We can confirm the constituents of the modern atmosphere using...
- 2. A process that increases atmospheric carbon dioxide
- 4. The Sun emits radiation with a...
- 6. Some gases will condense before others as they have a lower...
- 7. A possible consequence of global warming
- 8. Main gas in the modern atmopshere
- 11. A greenhouse gas
- 12. The early atmosphere is thought to have come from...