Across
- 2. laughing gas
- 5. normal weather
- 6. makes our planet hotter and hotter
- 8. humans cut it for paper ; bark
- 12. Used in vehicles as fuel
- 14. management
- 16. black sedimentary rock with high carbon
- 17. Electricity is produced here
- 19. everyday actions in a short period of
- 20. odorless, flammable gas
- 21. used as solvent in perfumes
- 23. continental glacier
- 24. heavier than gasoline
Down
- 1. It traps heat
- 3. that is hot/cold
- 4. occasional temperature check
- 5. gas that plants use in photosynthesis
- 7. local causes
- 9. layer of gases
- 10. Another term for petrol
- 11. drastic weather changes
- 13. precipitation falling
- 15. produced from evaporation
- 18. breeze
- 21. discharge
- 22. lubricate