Across
- 4. plants grow there roots here
- 5. average weather of at least 30 years
- 7. to turn into/to change into
- 9. most common gas of the atmosphere
- 10. highest layer of the atmosphere
- 11. the gas we need to breath
- 12. dt: Strahlung
- 13. a place where you can grow plants in winter
Down
- 1. weather layer of the atmosphere
- 2. the Earth's air hull
- 3. dt: Kohlendioxid
- 6. thermal radiation
- 8. high-energy wave
- 14. dt: abstrahlen
- 15. dt: Oberfläche