Across
- 1. highly Flameable gass
- 3. Frozen subsoil
- 5. Fuels orgainic materials as oil, gas and coal
- 8. water surrounding the surface of the globe
- 9. Changes in the atmosphere, Wind, rain
- 10. colourless, odorless gas
- 11. when water vapour liquifies
- 12. Dioxide casues green house gases
- 14. non-fossilized bio-mass
- 15. cutting of trees
- 17. community of orqaginisims
- 19. Crust and upper mantle of the Earth
Down
- 2. The air
- 4. Effect Heating of the atmosphere
- 6. Plant Process
- 7. recycle recycling renew
- 13. wave radio wave longer than a kilometre
- 16. Nino warm ocean current that develpos along coasts of Peru
- 18. weather conditions