Across
- 3. what comes from cattle as they digest their food
- 6. - the earth is wrapped in a blanket of air called the
- 7. oxide- what is produced when plants die and rot
- 9. -what is increasing to effects of global warming
- 11. what in the atmosphere stops the heat from expanding into space
- 12. Vapour - what occurs naturally in the atmosphere
- 13. what is the difference in global temperatures between today and the ice ages
- 15. what is being effected by the increase temperature caused by pollutants such as fertilisers being washed by farms
Down
- 1. Dioxide- are causing global warming
- 2. effect - what is a process by which thermal radiation from a planetary surface
- 4. - what type of radiation is absorbed by the atmosphere and re-directed both upwards and downwards
- 5. what is characterised by decreasing temperature with height average rate of 3.5 degrees
- 8. what is the layer of colourless gas found in the stratosphere
- 10. the thermal radiation which is absorbed in the greenhouse gases is called
- 11. house gases- what are the chemical compounds found in the earth’s atmosphere
- 14. what does life depend on to get its energy